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: Ken was always bad at holidays. Sentence 2: This year he tried his best to remember mother's day. Sentence 3: He sent his mother a card. Sentence 4: Ken then took her out to dinner. Sentence 5: His mother was very appreciative. Choices: a. Tape. b. Mother's Day.

b