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: Is it contraindicated to insert a urinary catheter into a patient who has a myocardial infarction? 
 Sentence2: I am looking for some information- Is it safe to insert a urinary catheter in a patient with myocardial infarction or are there any risks involved?
Example Output: Similar

Example Input: Sentence1: Would 3 normal u/s and 5 low d-dimers over the course of 4 weeks rule out dvt? Even though leg pain is still there? No redness or swelling. 
 Sentence2: How can we rule out DVT? What symptoms should I look out for and what tests can be done?
Example Output: Similar

Example Input: Sentence1: I didn't get my period for a month and now having pink discharge and a negative pregnancy test and still no period. What is going on? 
 Sentence2: I have PCOS and my cycles are irregular. I missed period by a month this time and I noticed spotting today. My doctor recommended birth control pills and I didn't want to be on it. Do you think I should consider this and start taking the pills?
Example Output:
Dissimilar