TASK DEFINITION: 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.
PROBLEM: 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?

SOLUTION: Dissimilar

PROBLEM: Sentence1: Upper abdomen pain pulled muscle from working out? Any specific stretch to prevent it? 
 Sentence2: What are some abdominal work out exercises and stretches to help loose belly fat?

SOLUTION: Dissimilar

PROBLEM: Sentence1: Had sex using condom and withdrawal 1 week after start of last period. Not on bc. Now having lower stomach pressure period due in one week. Pregnant? 
 Sentence2: Hello doctor, may I ask when can pregnancy symptoms be seen after one is pregnant?

SOLUTION:
Dissimilar