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.

Q: Sentence1: Whenever I sit continous for a long time then I get numbness tingling in my arms legs and stifness tightness in head or face. Plz please tell what to do? 
 Sentence2: I have numbness and tingling in arms, legs, stiffness, tightness in head or face. This happens when I sit for long. Asking what to do?

A: Similar
****
Q: Sentence1: I need to know if there is more than one type of achondroplasia? 
 Sentence2: Are there different types of achondroplasia?

A: Similar
****
Q: Sentence1: Why should I participation in an MS clinical trial? 
 Sentence2: My sister has MS and she came across some website where people with MS can enroll for clinical trials but she is not sure if she needs to talk to her treating doctor about that before enrolling? Do you know what exactly are the requirements for such clinical trials?

A:
Dissimilar
****