instruction:
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.
question:
The federal DOMA was an effort to quarantine same-sex marriage, to exclude same-sex couples from federal rights and benefits even if states were to legalize same-sex marriage, which several have done since 1996.
answer:
Valid


question:
We're just saying that they don't deserve "tax exempt" status if they are going to stray from the real reason that they are supposed to be "tax exempt" in the first place.
answer:
Invalid


question:
Social standards are subject to evolution, adaptation and refinement as determined by society as a whole.
answer:

Valid