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.

[Q]: Sentence1: What is an anti-nuclear antibody test for in immunology? 
 Sentence2: I was asked to get an ANA test because the doctor suspects I have lupus. What is that test?
[A]: Similar


[Q]: 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?
[A]: Dissimilar


[Q]: Sentence1: Day 2 with tender,bloated,bruised feeling,hurts when I stand,move around,laugh or sit. lower abdominal/pelvic area. no uterus taken out 1yr ago. 
 Sentence2: My lower abdomen/pelvic area has been aching a lot on staning, moving around, laughing or sitting for last 2 days. It has been tender, bloated associated with bruise sensation. I underwent hysterectomy a year ago. What could be the cause of my symptoms?
[A]:
Similar