In this task, you're given five sentences, numbered 1 through 5. Your job is to generate a title for the story that makes complete sense. The title must be short, with less than three words, use simple language, and include the main topic of the story.

Ex Input:
Sentence 1: Little Billy hated wearing his bike helmet. Sentence 2: It made his head look bigger than it was. Sentence 3: All the cool kids at school rode around without a helmet. Sentence 4: One day Bill crashed his bike, while wearing his big helmet. Sentence 5: He realized it was better to have a big helmet than none at all.

Ex Output:
Helmet

Ex Input:
Sentence 1: It was Rebecca's birthday. Sentence 2: It was her fourth. Sentence 3: Her parents were getting her a surprise. Sentence 4: They took her into the garage. Sentence 5: It was a brand new bicycle.

Ex Output:
The New Bike

Ex Input:
Sentence 1: Marcy was very late for her doctor's appointment. Sentence 2: She was worried that he would not see her that day. Sentence 3: Marcy's doctor agreed to see her when she arrived. Sentence 4: She was glad that her doctor took care of her that day. Sentence 5: Marcy vowed to not be late for her next appointment.

Ex Output:
Late to the Doctor's Office