instruction:
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.
question:
Sentence1: I need to know if there is more than one type of achondroplasia? 
 Sentence2: Are there different types of achondroplasia?
answer:
Similar


question:
Sentence1: Hi there are you able to help.me please Dr. Eric Kelts? I think I have a trapped nerve and its traveling from the bottom of my back down my legs, which I think may be siataca I'm not quite sure but I'm in agony. Cant move at all with my back! I struggled 
 Sentence2: What is sciatica and what are the symptoms?
answer:
Dissimilar


question:
Sentence1: Are all lymph node removal surgeries cancerous in nature? Can you share some sources? 
 Sentence2: I recently had a surgery for my breast cancer, the doctors told me that lymph nodes were also removed, as cancer had infliterated the area. I am free of cancer now? 
answer:

Dissimilar