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]: The question is whether or not gay marriage is a civil right.
[EX A]: Valid

[EX Q]: 2) NARTH's article DID NOT show any "higher homosexual activity" because of legalized gay marriage.
[EX A]: Valid

[EX Q]: After all, if few homosexual couples get married, there's little chance of a Trojan Horse scenario whereby gay married couples could somehow work to undermine heterosexual marriage from within.
[EX A]:
Valid