Task: Text Matching
Input (English): Sent1: Even if it was certain that allowing same-sex marriage would allow these forms of marriage, that would only be a downside of legalizing same-sex marriage, it wouldn't be a reason that same-sex marriage itself is wrong.
 Sent2: If same sex "marriage" and not civil unions are allowed, then precedence will have been set for redefining marriage.
Output (English): Similar