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: A strong wave hit the side of Remi's ship. Sentence 2: He was knocked over by the sudden force. Sentence 3: Before he could get up another wave hit the boat. Sentence 4: Remi was thrown to the edge of the railing. Sentence 5: Remi clung to the railing and waited for the storm to end. Choices: a. Crash Crash!. b. Dinosaur Party.

a