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: 4 5 days I feel pressure and pain in the front lobe part of the head. I feel dizzy. I thought it was just a cold. Ibuprofen was usell. Do I have sinuzitis? 
 Sentence2: Can sinusitis cause pressure and pain on the frontal side of the head along with dizziness?
answer:
Similar


question:
Sentence1: What is liver failure and how is it treated? 
 Sentence2: My father has liver cirrhosis, how can he prevent it from turning into a full blown liver failure?
answer:
Dissimilar


question:
Sentence1: How to improve sexual energy.? 
 Sentence2: Which foods help in improving sexual energy?
answer:

Dissimilar