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: Kim was having a kid. Sentence 2: She didn't know the sex. Sentence 3: Her doctor offered to tell her. Sentence 4: Kim agreed to it. Sentence 5: She was happy with the response.

Unknown Sex