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: I do unprotected sex with a prostitute after 28 days I go for hiv duo test the result is non reactive 0.07 is it conclusive? 
 Sentence2: How is HIV spread and when is the right time to take a HIV duo test?

A: Dissimilar
****
Q: Sentence1: How can I know if I have a varicose vein or a blood blister? 
 Sentence2: How can I know if I have a varicose vein or if it is a foot blister? Can you help me?

A: Similar
****
Q: Sentence1: I need to know if there is more than one type of achondroplasia? 
 Sentence2: What are some causes of achondroplasia?

A:
Dissimilar
****