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: Consider Input: Sentence1: If I have an astigmatism , could that be causing daily headaches? I do not wear glasses but i work on a p.C. All day and a lot of bright lighting. 
 Sentence2: What is the treatment for headaches caused by astigmatism?

Output: Dissimilar


Input: Consider Input: Sentence1: Need help docs! My friend ate some raw chicken on accident so he could get worms or parasites? 
 Sentence2: My friend ate raw and uncooked chicken last night. Would he get worms and parasitic infections in his stomach now?

Output: Similar


Input: Consider Input: Sentence1: I have been tested for every STD everything came back normal the only problem is my pH is at 8 how do I lower to 4? 
 Sentence2: Hello doctor I have issues with vaginal PH but is better now? My doctor said me it may be because of STD's or yeast infections. May I ask what are the common causes of PH changes as I have been tested  negative for both STD's and yeast infections. 


Output: Dissimilar