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: Arpad and their mother planted all sorts of squashes in the spring. Sentence 2: They took great care of the plants. Sentence 3: They were careful to keep them watered as well as keep pests away. Sentence 4: What they did not know is how readily squash species hybridize. Sentence 5: At the end of the summer they had a bunch of inedible mutants. Choices: a. A Garden Mishap. b. New house.

a