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: Ana's mom said she had a surprise that afternoon. Sentence 2: All through school, Ana wondered what the surprise was. Sentence 3: She raced home and ran through the front door. Sentence 4: She stopped short when she saw her dad, home on shore leave. Sentence 5: He had come two weeks early to surprise her!

Dad