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#21 - Designer: Any garden and adjoining living room that

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Complete Question Explanation

Must Be True. The correct answer choice is (D)

In this stimulus, a designer states that any garden and adjoining living room separated by sliding glass doors can become a single space visually. When the doors may be open, as in the summer, the “single space” will be created if it does not already exist. If the visual single space does exist already, this effect will be magnified:

    Sliding doors open ..... :arrow: ..... create single space or intensify pre-existing single space

Even during the colder months, the effect will remain, if the garden is coordinated with the room and contributes a strong visual interest on its own:

    Garden coordinated and contributes strong visuals ..... :arrow: ..... single space effect remains


The question stem asks which answer is most strongly supported by the designer’s statements, so we should locate the answer choice in accordance with the above conditional rules.

Answer choice (A): This answer choice provides the following conditional statement regarding a room with the sliding glass doors closed:

    Garden coordinated ..... :arrow: ..... contributes strong visual interest

This statement runs contrary to the information provided in the stimulus, referenced above, which states in the winter, when the door is closed, the single space effect will continue if the garden is coordinated with the room and if the garden contributes a strong visual interest of its own:

    Garden coordinated and contributes strong visuals ..... :arrow: ..... single space effect remains

This answer choice incorrectly characterizes the strong visual interest single space effect as the sole necessary condition for being coordinated with the room, so this answer choice is incorrect.

Answer choice (B): This answer choice provides the following incorrect conditional reasoning:

    Single space effect ..... :arrow: ..... garden well coordinated

This answer choice is contrary to the conditional reasoning provided in the stimulus:

    Garden coordinated and contributes strong visuals ..... :arrow: ..... single space effect remains

Since this answer choice reverses the sufficient and necessary conditions, and leaves out any reference to contribution of a strong visual interest, this choice is incorrect.

Answer choice (C): This answer choice is also contrary to what is said in the stimulus, which tells us that a visual single room effect can be created if the doors are open. The designer also states that the effect can be intensified by opening the doors:

    Sliding doors open ..... :arrow: ..... create single space or intensify pre-existing single space

Since we are told that the open sliding glass doors have the potential to intensify a single space effect, we know that they are not always required to create such an effect.

Answer choice (D): This is the correct answer choice. According to the stimulus, the contribution of a strong visual interest doesn’t even come into play in the summer, during which the opening of the sliding doors creates a single space effect if it didn’t already exist. If this effect was already present, opening the doors intensifies it:

    Sliding doors open ..... :arrow: ..... create single space or intensify pre-existing single space

Because a garden can visually merge with an adjoining living room and form a single space in the summer, even if it does not contribute a strong visual interest of its own, this answer choice is correct.

Answer choice (E): The designer provides conditional reasoning regarding sliding glass doors. The first rule concerns open sliding doors, and the author points out that this may happen in the summer. This does not imply that the same course of action in the winter would not have the same results, so this answer choice is incorrect.