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 Input:
Sentence1: Does 'open' reduction with intramedullary nailing of tibial shaft fracture causes muscle weakness and slow bone healing due to soft tissue damage? 
 Sentence2: Which is better for a tibial shaft fracture? An open or a closed reduction?

Ex Output:
Dissimilar


Ex Input:
Sentence1: Is there a way I can talk to someone about the subscription I just purchased for your service? 
 Sentence2: I just subscribed for your service and is there some one I can talk to here?

Ex Output:
Similar


Ex Input:
Sentence1: When do i ovulate if my last period was last month on the 28th and i have a 31 day cycle ? 
 Sentence2: I had unprotected intercourse during on my ovulation day according to my period tracker. My last period date was 28th of last month and my cycles are of 31 days. What are my chances of pregnancy?

Ex Output:

Dissimilar