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'.

[Q]: Sentence 1: Ella had left her car unlocked. Sentence 2: She had left her purse in the car. Sentence 3: Her purse was missing when she returned to the car. Sentence 4: Ella realized someone had stolen her purse. Sentence 5: Ella always locked her car after this. Choices: a. Doctor. b. The Unlocked Door.
[A]: b

[Q]: Sentence 1: Sarah didn't have a lot of friends growing up. Sentence 2: When she got old, she was suddenly very pretty. Sentence 3: She married a famous actress. Sentence 4: Suddenly, everyone wanted to be her friend. Sentence 5: But Sarah knew who her true friends were. Choices: a. Real Friends. b. Dirty Diaper.
[A]: a

[Q]: Sentence 1: The bird caught a worm. Sentence 2: It took the worm to its nest. Sentence 3: It fed the worm to a baby bird. Sentence 4: The baby bird was still hungry. Sentence 5: The bird caught another worm. Choices: a. Bird. b. Extra Napkins.
[A]:
a