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'.

Example Input: Sentence 1: There was a little girl standing by the road. Sentence 2: My dog and I walked past her as she waved hello. Sentence 3: I realized she was deaf, and spoke to her in sign language. Sentence 4: She smiled happily and signed back to me. Sentence 5: We talked for about 10 minutes before we went home. Choices: a. The Girl. b. The river.
Example Output: a

Example Input: Sentence 1: A man went into a hardware store to buy some cut lumbar. Sentence 2: The shop attendant asked him what size he wanted. Sentence 3: The man held up both hands and adjusted slightly. Sentence 4: The attendant measured the distance between the man's hands. Sentence 5: With the measurement, the attendant made some cuts for him. Choices: a. Gussing. b. hurt and hungry.
Example Output: a

Example Input: Sentence 1: Ty was feeling lucky. Sentence 2: He decided to try his luck with a lottery ticket. Sentence 3: He grabbed his keys to start scratching off the circles. Sentence 4: Just one more match and he could win 500 dollars! Sentence 5: Ty got a match! Choices: a. Borscht. b. Lucky.
Example Output:
b