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: I've had a bilateral neck dissection for thyroid cancer in 2011. My neck has been swollen for 3 years. Should I see a lymph node specialist? 
 Sentence2: Is surgery needed to remove an enlarged thyroid gland?
Example Output: Dissimilar

Example Input: Sentence1: Why do my ears "pop" when I am weight lifting? 
 Sentence2: Is it normal for ears to pop if one lifts heavy weights?
Example Output: Similar

Example Input: Sentence1: How can  you heal chronic knee bursitis? 
 Sentence2: What are the treatment options available for chronic knee bursitis?
Example Output:
Similar