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: Consider Input: Sentence 1: Greg was playing football. Sentence 2: He was tackled to the ground. Sentence 3: He felt a sharp pain in his leg. Sentence 4: He looked down to inspect it. Sentence 5: He saw that it was injured. Choices: a. Leg. b. Phone Calls.

Output: a

Input: Consider Input: Sentence 1: Kenny was a teacher at a local school. Sentence 2: His students weren't doing as well as they should have. Sentence 3: Kenny told his students he'd give them pizza if their grades improved. Sentence 4: The children did much better on their next exam. Sentence 5: Kenny treated the children to pizza. Choices: a. Record. b. The Incentive.

Output: b

Input: Consider Input: Sentence 1: It was Olivia's first week of school. Sentence 2: The school had a fire drill. Sentence 3: Olivia's teacher brought them outside. Sentence 4: Olivia was confused and cried. Sentence 5: The teacher had to calm Olivia down. Choices: a. Running in the park. b. Fire Drill.
Output: b