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: what may lead to incestuous marriage is if siblings or related people who love each other and want to live together under the legal union of marriage.
 Sent2: Marriage is for people who love and want to spend life with each other.
A:
Similar