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: Nia loved tigers. Sentence 2: Her room was covered in tiger posters. Sentence 3: Nia read over a hundred books about tigers. Sentence 4: Her parents decided to surprise her with a safari for her birthday. Sentence 5: On safari, Nia was able to see a tiger in real life. Choices: a. Battlestar Galactica. b. Tigers.
Output:
b