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'.

[EX Q]: Sentence 1: Clara had always flown in coach. Sentence 2: One day, an airline bumped her to first class! Sentence 3: She was so amazed that she wasn't sure what to do with herself. Sentence 4: She got free drinks and food and a hot towel. Sentence 5: Clara decided she could never go back to coach. Choices: a. Bird. b. First Class.
[EX A]: b

[EX Q]: Sentence 1: John went to his mailbox to check for mail. Sentence 2: Inside, he found the usual junk mail. Sentence 3: He also found a letter from the friend he had not seen in many years. Sentence 4: The letter explained what his friend had been up to over the years. Sentence 5: That same day, John wrote a letter in reply. Choices: a. Nice Clock. b. Letter to a Friend.
[EX A]: b

[EX Q]: Sentence 1: Terry always enjoyed playing chess. Sentence 2: He challenged his grandfather to a game. Sentence 3: His grandfather was very good. Sentence 4: They played many games that afternoon. Sentence 5: Terry and his grandfather both won and had a good time. Choices: a. A Game of Chess. b. Unknown.
[EX A]:
a