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'.

Ex Input:
Sentence 1: Hassan and his wife Ratna were having marital problems. Sentence 2: After their first child, the husband found the wife less attractive. Sentence 3: Realizing Hassan was slipping away, Ratna suggested adding a new wife. Sentence 4: They soon found a woman who was very pleasing to both of them. Sentence 5: Now the marriage is very strong. Choices: a. Sleazy. b. Extra Wife.

Ex Output:
b

Ex Input:
Sentence 1: Gerold like to invent new things. Sentence 2: He usually spent all his weekend in his garage inventing something. Sentence 3: One day, he mixed the wrong ingredients together. Sentence 4: The whole garage blew-up. Sentence 5: Gerold died, but his invention was sought after by the government. Choices: a. Inventor. b. Song.

Ex Output:
a

Ex Input:
Sentence 1: Bob was ready. Sentence 2: He walked up to the edge. Sentence 3: He turned around and got a running start. Sentence 4: He yelled cannonball! Sentence 5: Bob splashed everyone in the pool. Choices: a. Bread. b. The Cannonball.

Ex Output:
b