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.

Input: Consider Input: Sentence1: What does it mean to have sporadic headaches? 
 Sentence2: I have tension headaches and have been under lot of stress. What do you recommend i do?

Output: Dissimilar


Input: Consider Input: Sentence1: What to do if I am 17 year old guy.2 days ago I noticed weak erections and now I can't even maintain it? 
 Sentence2: I am 17 years and since 2 days I noticed weak erections and hs difficulty maintaining. May I know what can I do?

Output: Similar


Input: Consider Input: Sentence1: Ultrasound says liver measures 15.7 CM in length, is that normal size? 
 Sentence2: What is the size of liver in people who have a fatty liver?


Output: Dissimilar