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: Richard enjoyed dancing a lot. Sentence 2: His favorite type of dance was the tango. Sentence 3: One day at the park, he found a girl who also loved to dance. Sentence 4: Together, they danced every night. Sentence 5: Now, Richard dances with his girl every single day. Choices: a. Sing. b. Tango.

b