Context: Emmett is deciding whether to plant irises or a magnolia tree in his backyard. He wants to make his backyard more beautiful. But he also wants to leave space for doing fun things.
Suppose Emmett decides to plant the irises. Which result would be a cost?
A. Emmett will give up the chance to look at the magnolia tree. He thinks it would have looked more beautiful than the irises.
B. He will save some space. The irises will use up less space than the magnolia tree would have used up.
Select the correct answer from the provided options and reply with the letter associated with it.

A