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: Kim and Dave were having marriage troubles. Sentence 2: They went to see a therapist. Sentence 3: They tried to talk out all their problems. Sentence 4: Their communication skills improved. Sentence 5: Soon, they were happy again. Choices: a. The Sunscreen. b. The Therapist.

b