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 get very lightheaded quite often. Could it be because I am anemic? 
 Sentence2: Could feeling lightheaded and dizzy be due to anemia?
Example Output: Similar

Example 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?
Example Output: Dissimilar

Example Input: Sentence1: Is it normal to have cramps before and after period? 
 Sentence2: I am getting period cramps. What shall I do?
Example Output:
Dissimilar