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: Mark had a report due on tigers for school. Sentence 2: He spent all week doing research on tigers. Sentence 3: Mark really enjoyed looking at pictures of tigers. Sentence 4: He also enjoyed all the books he got to read about tigers. Sentence 5: Mark thinks he'll do very well on his report. Choices: a. Jack's Lunch. b. Tiger report.

b