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'.

Sentence 1: Karen was really afraid of being in a shark attack. Sentence 2: Her friends invited her to a trip to the beach, but she was nervous. Sentence 3: Karen stayed up all night reading about sharks to prepare for the trip. Sentence 4: The next day, Karen went with her friends to the beach. Sentence 5: Karen had a good time and was not attacked by a shark. Choices: a. 911. b. Sharks!.
b

Sentence 1: John got call from his credit card company. Sentence 2: They needed to check if he travelled to Canada. Sentence 3: He confirmed he was at home in Kentucky. Sentence 4: The company told him his identity was probably stolen. Sentence 5: John had to call the police. Choices: a. Birdo. b. A stolen identity.
b

Sentence 1: John had a big final coming up. Sentence 2: He had been studying for weeks. Sentence 3: The test was very important to his grade. Sentence 4: He was very committed to doing well. Sentence 5: He made sure to put the extra effort in. Choices: a. Head Butt. b. The big test.
b