Instructions: 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.
Input: Sentence1: Why do i feel pain on my left arm? 
 Sentence2: I have left arm pain with bleeding since yesterday. I got injured while playing and someone hit me by accident on my arm yesterday. What can I do for relief? Can you also give me a few tips for faster healing of my wound?
Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Dissimilar