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]: You did suggest that unmarried heterosexual couples would still be discriminated against, even if we allowed same-sex couples to marry.
[A]: Valid


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


[Q]: He claims on the religion forum that his church prayer groups have been responsible for an HIV + patient to become HIV-, and that other' cancers have disappeared through their prayers.
[A]:
Invalid