instruction:
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.
question:
Sent1: So what compelling reason does the government have for allowing gay marriage and NOT allowing incestuous marriages?
 Sent2: How is allowing gay couples to marry an "anything goes" version of marriage.
answer:
Not similar


question:
Sent1: I have seen only two arguments (and one of them is restated here) for gay marriage to not be a thing: we have to protect the sanctity of marriage or marriage should only be for people who can reproduce.
 Sent2: We should not argue that gays should have the 'right' to marry we should argue that the definition of ' marriage' should be changed.
answer:
Not similar


question:
Sent1: Now outside of this country things are very different I know, but I still don't think gay marriage is going to significantly impact this.
 Sent2: As I've said many times already, there are more similarities when it comes to gay marriage, to all other legal marriages.
answer:

Not similar