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: How long does it take for sleeping meds to get out of your system? How long does it take anesthesia had to get out of your system. 
 Sentence2: Can sleep medications be used for anesthesia?
Example Output: Dissimilar

Example Input: Sentence1: Does lung cancer always effect oxygen levels. 
 Sentence2: I was diagnosed with lung cancer and I have been on therapy. My oxygen saturation levels have been around 90% and I am worried if this is ever going to improve. Should I ask my doctor if therapy needs to be changed?
Example Output: Dissimilar

Example Input: Sentence1: What causes you to vomit with a itchy throat? 
 Sentence2: I have vomiting and itchy throat? Can I know about the causes?
Example Output:
Similar