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: Frank was attending college. Sentence 2: He had not yet decided his major. Sentence 3: He pondered over it for a while. Sentence 4: He thought that he might make a good architect. Sentence 5: He decided that he would pursue that career. Choices: a. Cooper and the tadpole. b. Architect.

b