You will be given a definition of a task first, then some input of the task.
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.

Sentence1: I Have a tiny lump on the upper left side of my back. I have had it for about 2 months now. It is like a little grey spot. So please help.?
Sentence2: What can cause a tiny lump to come up on the upper left side of the back? It is like a grey spot and has been there since about 2 months now.
Output:
Similar