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: The scientist was concerned with a problem. Sentence 2: He conducted many experiments to see what was wrong. Sentence 3: He documented his findings in a paper. Sentence 4: Other scientists looked at his research. Sentence 5: Together, they found a solution to the problem. Choices: a. The Winning Touchdown. b. Research.

b