#15 - Zack's Coffeehouse schedules free poetry readings

[bebeg3168]

My diagram went like this:
PR ---most---W
W---some---PR
PR---> 1/2C
~1/2C--->~PR
This equates to "on some Wednesdays there is 1/2C"
I look at D and E and they both seem to make sense with the deduction I arrived at? Did I diagram wrong?

[Adam Tyson]

Your diagram is perfect, Bebe, but look at answer E again and you'll see that it does not say that there is half priced coffee on some Wednesdays. It says that there are some Wednesdays that do NOT have half priced coffee, and there is no proof of that! Maybe coffee is half price EVERY Wednesday!