Definition: In this task, you're given five sentences, numbered 1 through 5, and two options a and b for possible titles for the story. Your job is to choose the title that better fits the story. Indicate your choice by 'a' or 'b'.
Input: Sentence 1: Last year I planted 10 trees along the back of my yard. Sentence 2: Five of them died that summer. Sentence 3: I replaced them with new trees from the same store. Sentence 4: Those same five died again this spring. Sentence 5: I went to a real nursery to buy the replacement trees this time. Choices: a. Mysterious Basketball. b. New Trees.

b