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.

[Q]: Let them marry and have the same government benefits, but let the church decide who its priests are.
[A]: Valid


[Q]: If mental illness is a myth, the critics argue, so is physical illness[citation needed], because both categories have fuzzy boundaries and are to a large extent culturally determined.
[A]: Invalid


[Q]: With gay marriage, the issue is changing marriage to be something it's not, to whatever.
[A]:
Valid


