instruction:
Construct a question that every answer in the list is correct and reasonable for it.
question:
atkins, jenny craig, south beach diet, weight watchers, zone diet, scarsdale diet
answer:
past or present, name a famous diet.

question:
cash back, free miles
answer:
name something credit card companies offer, as a reward for signing up.

question:
trees, ice
answer:
name something you might have to watch out for while skiing the slopes.