Task: Text Matching
Input (English): Sentence1: From what i know about gen. Anesthesia, you get a shot, they put a mask over you and you wake up. But is there any weird activity when you wake up like laughing gas? 
 Sentence2: I had a surgery 3 days back under general anesthesia and now have a headache. Is this common or should I call my doctor?
Output (English): Dissimilar