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.

Sent1: gay marriage is about two people of the same gender who want to commit to each other in a romantic relationship, and have the same legal rights and recognition as a straight couple.
 Sent2: second of all, gay marriage is a RIGHT as it is with any other straight person.
Not similar

Sent1: Gay rights advocates say that because the civil union designation is hard to understand and still treats committed gays differently from married couples, the courts should eliminate civil unions and recognize gay marriage.
 Sent2: Marriage is a civil right, and gays can get married, but you don't know if gay marriage is a civil right?
Not similar

Sent1: Societies define marriage, because they find it a valuable institution for many reasons, such as raising children, providing financial and legal protection for families, and other such good things.
 Sent2: Since same-sex couples are raising children, the children in these families deserve the right to have two parents who are legally married to each other.

Not similar