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.

[EX Q]: Sentence1: I came on my period two time last month this month my boyfriend came inside me and I'm bleeding 4 days after we had sex? 
 Sentence2: Can we have sex if I am bleeding?
[EX A]: Dissimilar

[EX Q]: Sentence1: Can I take B12 shots if I have high blood pressure? Thanks in advance. 
 Sentence2: Can people with high BP take Vit B 12 shots?
[EX A]: Similar

[EX Q]: Sentence1: What does lymph node with echo -gene center means? What can cause Swolling of these type of lymph nodes. 
 Sentence2: Do swollen lymph nodes always indicate cancer? Do cancerous lymph nodes have echo gene center?
[EX A]:
Dissimilar