Task: Text Matching
Input (English): 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?
Output (English): Similar