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: Should I remove a bullet if it's still inside? 
 Sentence2: How long does a wound caused by a bullet take to heal? 
Example Output: Dissimilar

Example Input: Sentence1: Regarding my last question. Everytime i take oxycodone, i become very sensitive to sound. A person talking is too loud. Even no migraine. Known se? 
 Sentence2: Does oxycodone cause increased sensitivity to sound? I have been experiencing this for a while, it feels like someone is talking loud. 
Example Output: Similar

Example Input: Sentence1: After a 3 days of influenza (flu) w/ fever took ibuprofen and acetaminophen it have left me with a back burning sensation. No problem during peeing. ? 
 Sentence2: How can I treat back burning from a UTI?
Example Output:
Dissimilar