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.
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Question: Sentence1: Cortisone shot as a diagnostic tool in the knee what does this mean. If the shot worked does it mean inflammation? If not internal damage. Help 
 Sentence2: Apart from diagnostic tool to differentiate between inflammation and internal injury. Is there any therapeutic benifits of cortsione shot in the knee? 

Answer: Dissimilar


Question: Sentence1: My legs become numb to the point where I can not walk. It happens sometimes when I move quickly or carrie something very heavy. What can this be? 
 Sentence2: I am not able to walk because my legs become numb. What is the treatment for this?

Answer: Dissimilar


Question: Sentence1: How does a doughnut get broken down in the digestive system if it has essentially no nutrients? 
 Sentence2: Do doughnuts have any nutrient value or are they pure junk?

Answer:
Dissimilar