We would like you to classify each of the following sets of argument pairs (discussing Gay Marriage)  into either SIMILAR or NOT SIMILAR. A pair of arguments is considered SIMILAR if the arguments are about the same FACET (making the same argument), and is considered NOT SIMILAR if they do not have the same FACET. A FACET is a low level issue that often reoccurs in many arguments in support of the author's stance or in attacking the other author's position.
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Question: Sent1: There is no good reason behind giving marriage benefits to people based on their sex and there are plenty of reasons to do just the opposite.
 Sent2: In the case of same-sex marriage, I can think of no reason why we should not extend the same rights that opposite-sex couples have to same-sex couples (and plenty of reasons why we should).

Answer: Similar


Question: Sent1: The question is whether or not gay marriage is a civil right.
 Sent2: Civil unions would probably bring on the same financial problems that gay marriage would, although I don't agree with JP on all of this.

Answer: Not similar


Question: Sent1: Allowing gay marriage without also rewriting common law statutes discriminates against unmarried heteros living together.
 Sent2: Opponents have criticized the ban as discrimination against gays and lesbians and warn it could harm heterosexual families if domestic partner benefits, powers of attorney and common law marriage are called into question.

Answer:
Not similar