Suppose Maria Is Asked to Write Down All the Ways

Suppose Maria is asked to write down all the ways she can think of to use a brick. She is to write each answer on a card and toss her cards in with those of several partners, and the group with the most uses will be declared the winner. Maria is likely to loaf on the job if

A) she sees her partners working hard.
B) she believes her partners will do the task poorly.
C) she is told that each person's contributions will be announced separately.
D) she believes the others are writing uses for some other object, not a brick.