Task: Text Matching
Input (English): Sentence1: Blood in urine, pain in flank. No burning, frequency. Bladder polyps or kidney stones? 
 Sentence2: I was diagnosed with bladder polyps last year. I noticed blood in urine today and I have flank pain. I think I developed kidney stones and I am very worried. Do you think my bladder polyps in any way may have led to the development of kidney stones?
Output (English): Dissimilar