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]: Gay people sometimes do get married to opposite-sex spouses, often because they are struggling with their sexual orientation and are trying, through marriage, to make themselves heterosexual.
[A]: Valid


[Q]: Because it is not between a man and woman, it is not right to call this a 'marriage', in saying this, I am in no way trying to demean the relationship two people of the same gender can have.
[A]: Valid


[Q]: While on an evolutionary level homosexuality makes little sense, it really does not make sense that a government should have the right to make gay people subcitizens.
[A]:
Valid