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: Pain in the right leg that goes and goes, sometimes on the side, sometimes in the groin. Burns behind the knee and gets worse with cold. What can be? 
 Sentence2: I have on & off pain on the side of right leg and sometimes in the groin. I also experience burning sensation behind the knee, that gets worse when I am cold. What could be the cause?
Example Output: Similar

Example Input: Sentence1: Had liver failure, drs cannot pinpoint source; developed ascites.  How can I improve my liver and kidney function naturally? No meds. 
 Sentence2: Do you have any ideas as to how I can improve my liver and kidney function if I have a failed liver?
Example Output: Similar

Example Input: Sentence1: What is the life expectancy for someone with mixed connective tissue disease? 
 Sentence2: How is mixed connective tissue disease diagnosed? What are some complications of this disease that may affect the life expectancy of such patients?
Example Output:
Dissimilar