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: Tom and Mary went on a vacation. Sentence 2: They got into a boat and floated down a river. Sentence 3: They waved at the people standing on the bank. Sentence 4: They reached the bottom of the river. Sentence 5: Tom and Mary had a good time.

Vacation