Context: Eva is deciding whether to plant tulips or a hickory tree in her backyard. She wants to make her backyard more beautiful. But she also wants to leave space for doing fun things.
Suppose Eva decides to plant the tulips. Which result would be a cost?
A. She will save some space. The tulips will use up less space than the hickory tree would have used up.
B. Eva will give up the chance to look at the hickory tree. She thinks it would have looked more beautiful than the tulips.
From the given choices, pick the correct answer and respond by indicating the letter of the correct option.

B