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.

Example Input: Sentence1: I can feel small lymph node in my neck the doctor said its 9m is this normal.Iam itlle worry.But the rest of the lymph node i can't feel them. 
 Sentence2: I have swollen lymph nodes in my thigh region, the doctor mention that it's 9mm. I can't feel any lymph node in the neck and armpit region. Do I have STD/STI? 
Example Output: Dissimilar

Example Input: Sentence1: I am 17 years old, and I have had troubles keeping or even maintaining an erection before sex. I have tried multiple times and don't know what to do anymore. It's really imbarrassing but my girlfriend said I should go see a doctor about it. I only masterb 
 Sentence2: I am 17 years old and have issues with maintaining a erection. My girlfriend asked me to see a doctor. I only masturbate. Should I see one? 
Example Output: Similar

Example Input: Sentence1: It is safe to take 20mg of Zyrtec (cetirizine) daily? I take it in the morning but 12 hrs later I am suffering. If I don't take another one at night I dont sleep. 
 Sentence2: My mother is on Zyretc( Cetrizine) 20 mg once daily. She mentioned of feeling sleepy all the time. Is it safe to stop the medication? 
Example Output:
Dissimilar