In this task you are given a medical question pair hand-generated. Your task is to classify a given post into two categories 1) 'Similar' if the given two questions have a same connotation 2) 'Dissimilar' if the given two questions have a different connotation or meaning.

Example Input: Sentence1: Why does my back hurt when I breathe or bend over? Its kind of in my upper middle back but just on the right side. 
 Sentence2: I started noticing pain in the upper middle back on the right side and hurts to breathe and bend over. Any idea what it could be?
Example Output: Similar

Example Input: Sentence1: I have  microalbumin urine 343.2 ug/ml ,microalb/creat Ratio ,random urine 402.3 mg/g creat, no DM,no HT,is this serious ? What 's to do next? 
 Sentence2: What can cause loss of proteins in urine?
Example Output: Dissimilar

Example Input: Sentence1: Blood in urine, pain in flank. No burning, frequency. Bladder polyps or kidney stones? 
 Sentence2: I have been experiencing flank pain for last 3 days and noticed blood in urine yesterday but no burning sensation while passing urine or increased frequency of urination. Do I have kidney stones or bladder polyps?
Example Output:
Similar