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: Why is it that some nutrients bypass the liver entirely? 
 Sentence2: Are all medications absorbed by the liver?

Answer: Dissimilar


Question: Sentence1: I am about 15 weeks of pregnant and I have difficulty to sleep what can I take for helping me sleep. Thank you? 
 Sentence2: I am having difficulty in sleeping these days. Even mediactions are not helping. What could be the reason? I am 15 weeks pregnant. Could it be related?

Answer: Dissimilar


Question: Sentence1: Pushups - should hr or BP drop first? for me the hr drops quick but neck still pulsating very hard so is that dangerous to have low hr and high bp? 
 Sentence2: What is causing me to feel pulsations in my neck while working out? I have also noticed that my HR drops during this time but the BP is still high. Can you explain how this works?

Answer:
Similar