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.

Sentence1: Does anyone know what can cause severe leg pain in both legs especially at night? 
 Sentence2: Why am I having severe pain in the legs at night?
Similar

Sentence1: Haven't got my period since July cause I'm irregular could I still get pregnant? 
 Sentence2: My LMP is July. History of irregular period. Do you think I can be pregnant.
Similar

Sentence1: Just saw marble size black lump in bm. Thought possibly just food so poked at it w/latex glove. Def not food, it's poo. Red blood lately too. Already did ibd workup (neg). Temp 99.5 for a month. Er? 
 Sentence2: I've been noticing some blood in stools for a few weeks now, have already been evaluated for IBD which came back negative. And just now saw a marble sized black lump in the toilet. Have had a slight fever too since a month now.. What's happening? Is this something serious?

Similar