Detailed Instructions: 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.
Q: Sent1: Same sex marriage can cause a perfect union of two people the same as M/F and can make a mockery or marriage just as many M/F unions currently do.
 Sent2: But same-sex marriage doesn't cause disease transfer; gay people will have sex whether they have marriage or not.
A:
Not similar