Given the task definition and input, reply with output. 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: My dad has a lump on his bicep just slightly after the crease of his forearm. Its no longer as bruise and it never cause him pain but the lump remains?
Sentence2: What could be the cause of a painless lump on the forearm without any noticeable injuries and no change in size? I am here asking about my father who is 40 yrs old.
Similar