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: I can feel small lymph node in my neck the doctor said its 9m is this normal.Iam itlle worry.But the rest of the lymph node i can't feel them. 
 Sentence2: I have swollen lymph nodes in my thigh region, the doctor mention that it's 9mm. I can't feel any lymph node in the neck and armpit region. Do I have STD/STI? 
Example Output: Dissimilar

Example Input: Sentence1: 34 year old male. Graying hair. Has been stressful past year of change in life. Does stress affect this in men? Any advice to slow graying/thinning? 
 Sentence2: I am a young male and have got gray hair. Can I use a hair dye? 
Example Output: Dissimilar

Example Input: Sentence1: Two negative STD tests and urinelyis doctor said he don't know what it is but still mild buring when I pee. Would NSU show up on test and culture? 
 Sentence2: I have burning sensation while passing urine, abdominal pain, cramps, odor, frequent urge and fever since 2 days? Do I have an UTI? My STD tests 3 months back is negative.  
Example Output:
Dissimilar