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.
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Question: Sentence1: Can ibs calm down at night then kick in in the day? 
 Sentence2: I have IBS and the symptoms have been frustrating lately. Should I change my diet or take any medications?

Answer: Dissimilar


Question: Sentence1: For the 1st time a lot of clear colorless odorless liquid gushed out of vagina 2 days after sex with my partner of 2 years. Had my period a week later 
 Sentence2: Can I expect some clear, colorless vaginal discharge a week before my period?

Answer: Dissimilar


Question: Sentence1: Hi, 3.71 x 4.35cm mixed echogenic mass in fundal part of uterus implies what pls? 
 Sentence2: What causes a  3.71 x 4.35cm mixed echogenic mass in the fundus of the uterus?

Answer:
Similar