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: If u have had giardia and had it treated, but your liver enzymes rose what could that be a indication of? 
 Sentence2: I drank water from a stream and read that it could cause giardiasis. I am a little worried since I have been experiencing some mild abdominal pain on the right side, could it be affecting my liver?
Example Output: Dissimilar

Example Input: Sentence1: My bf and I were fooling around with clothes on. And after I noticed ALot of precum on his jeans where my crotch was. Can this get me pregnant? 
 Sentence2: What are the chances of getting pregnant from fingering anf if it had precum? 
Example Output: Dissimilar

Example Input: Sentence1: Can scar tissue on the uterus or bladder show up on an ultrasound? 
 Sentence2: I am undergoing a ultrasound tomorrow and can a scar tissue on uterus or bladder be seen on the ultrasound?
Example Output:
Similar