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: Tom loved massage. Sentence 2: He was walking near the Asian grocery store one day. Sentence 3: He saw a fish tank with people resting their feet in it. Sentence 4: Tom was intrigued and desired to join them. Sentence 5: Tom loved the fish gently cleaning and massaging his feet. Choices: a. Snake. b. Feet.

b