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: Lisa's afternoon involved teaching Lucy the elephant a new trick. Sentence 2: Jan explained that Lucy would do almost anything for watermelons. Sentence 3: Lisa gave Lucy the command to lift her front right leg. Sentence 4: When Lucy complied, she got a watermelon. Sentence 5: After a few minutes, Lisa had taught Lucy the new trick. Choices: a. Teaching an Elephant New Tricks. b. A Kindergarten.

a