instruction:
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.
question:
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?
answer:
Dissimilar


question:
Sentence1: Sunscreen lotion for african americans with very extremely sensitive skin? 
 Sentence2: I'm a 25 yr old African American girl with an extremely sensitive skin and wanted to see if you had any suggestons for a good sunscreen lotion?
answer:
Similar


question:
Sentence1: I have arthritis in my knees and lower back. Normally when I get out of bed they are stiff. My hips achey and stiff are if I lay on my back at night? 
 Sentence2: What are the signs and symptoms of arthritis?
answer:

Dissimilar