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: Kate had eaten crab legs for dinner at a restaurant. Sentence 2: Her friend had also ordered crab legs. Sentence 3: Her friend then began to scratch. Sentence 4: It turned out she was allergic to seafood. Sentence 5: Kate sat in a stunned silence.

Allergic