Task: Text Matching
Input (English): Sentence1: What can a pain mean in right hand side next to bladder. It comes and goes and is quite severe? 
 Sentence2: I have on & off severe right lower abdomen pain for last couple of weeks. I consulted a doctor and a urine sample was collected, a few other imaging tests were done. My doctor thinks I may have bladder stones. I am worried, would I need to undergo surgery?
Output (English): Dissimilar