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: Gays should be allowed to have an official civil partnership which has the same legal status as marriage.
 Sent2: Allowing straight marriage to provide for U.S. citizenship, while gays have no option (marriage or civil union).
Not similar