Question 18
When Amy, Betty and Cheryl eat out, each orders either beef or chicken.
(a) If Amy orders beef, Betty orders chicken.
(b) Either Amy or Cheryl orders beef, but not both.
(c) Betty and Cheryl do not both order chicken.
Who could have ordered beef yesterday and chicken today?
(a) If Amy orders beef, Betty orders chicken.
(b) Either Amy or Cheryl orders beef, but not both.
(c) Betty and Cheryl do not both order chicken.
Who could have ordered beef yesterday and chicken today?