Definition: 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.
Input: Sentence 1: Tina wanted to have a party. Sentence 2: She was selling her jewelry. Sentence 3: But she had a surprise. Sentence 4: She was pregnant. Sentence 5: When she announced it everyone was so happy.

Baby surprise