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: Iris put on blue contacts. Sentence 2: She looked at herself in the mirror. Sentence 3: She thought she looked weird. Sentence 4: She replaced the contacts. Sentence 5: She thought she looked better in brown. Choices: a. Anger. b. Contacts.
Example Output: b

Example Input: Sentence 1: Reese wanted to go on a field trip to Jamestown. Sentence 2: His parents didn't have the money to send him. Sentence 3: He didn't get to go on the field trip. Sentence 4: His parents set up their house to look like Jamestown. Sentence 5: Reese was very pleased. Choices: a. Jamestown. b. New Family.
Example Output: a

Example Input: Sentence 1: The new iPhone was going on sale. Sentence 2: Kelly really wanted it. Sentence 3: She immediately bought it. Sentence 4: When she got it she loved it. Sentence 5: She showed her friends. Choices: a. New iphone. b. Bug in the plate.
Example Output:
a