Task: Text Matching
Input (English): Sentence1: Used Lodine or Celebrex (celecoxib) on and off for 3 or 4 years. Occasionally had some stomach burning. Havent used in 3 months can it still cause an ulcer? 
 Sentence2: I have been experiencing on and off burning sensation in stomach and have been on Lodine and celecoxib for the past 4 years now but got off it 3 months back. Am I at a risk of getting an ulcer?
Output (English): Similar