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.

Let me give you an example: Sentence1: After how many hour from drinking an antibiotic can I drink alcohol? 
 Sentence2: I have a party tonight and I took my last dose of Azithromycin this morning. Can I have a few drinks?
The answer to this example can be: Similar
Here is why: The first sentence ask about the number of hours to drink again after having an antibiotic and the second sentence also ask question about having drinks having later at night after having Azithromycin an antibiotic.

OK. solve this:
Sentence1: Can obesity cause bilateral pitting edema? And how to get rid of it? 
 Sentence2: Can you please explain what is pitting edema?
Answer:
Dissimilar