Task: Text Matching
Input (English): Sent1: For starters, prove to me that gay sex is natural with something more substantial than "it exists in nature", and explain in detail that if in fact it is natural, why is it natural.
 Sent2: I mean i'm not saying that homosexuals compare to that in any way, what i'm saying is that yes the natural thing to do is to have sex between a man and a woman.
Output (English): Similar