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: Fred was fishing in a lake by himself. Sentence 2: And he was getting tired of waiting for a fish to bite. Sentence 3: But suddenly, he felt something catch his fishing rod. Sentence 4: And it was a fish with three eyes. Sentence 5: Fred was very disturbed and went home immediately. Choices: a. Fishing. b. Torpedo.

a