We would like you to assess the QUALITY of each of the following argument (discussing Gay Marriage) and determine if the argument is Valid or Invalid. A valid argument is clearly interpretable and either expresses an argument, or a premise or a conclusion that can be used in an argument for the topic of gay marriage. An invalid argument is a phrase that cannot be interpreted as an argument or not on the topic of gay marriage.

[EX Q]: I think the lack of monogamy problem among gay men stems from the fact that homosexuality has always been hand-in-hand with promiscuity.
[EX A]: Valid

[EX Q]: Polygamy has everything to do with religion (in particular, the patriarchal systems of certain fundamentalist cults) and nothing to do with same-sex couples wanting to commit as equals in a loving relationship.
[EX A]: Valid

[EX Q]: Not so long ago gay sex was considered beyond the pale let alone gay marriage so really morals have nothing to do with the gay marriage debate.
[EX A]:
Valid