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.

Example Input: Sentence1: Hello i noticed I have a small black dot  on my gum the mark takes up the surface area of the very tip of my gum tissue.The part looks like a triangle? 
 Sentence2: What could cause a small, blackish dot at the tip of my gums?
Example Output: Similar

Example Input: Sentence1: How does one break their arm playing volleyball? 
 Sentence2: How do playing sports like voleyball makes get an arm fracture?
Example Output: Similar

Example Input: Sentence1: I'm 42 female with lower back pain what could it be? 
 Sentence2: How to help find relief from low back pain due to metastatic cancer?
Example Output:
Dissimilar