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: Kelly wanted to be an astronaut his entire life. Sentence 2: Each year Kelly would attend space camp sponsored by NASA. Sentence 3: Kelly went to college to major is space studies. Sentence 4: Kelly received an offer for an internship at NASA after college. Sentence 5: This was Kelly's foot in the door to becoming an astronaut! Choices: a. Kelly wants to go to space. b. Sam works at Walmart.

a