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:
Murder is a moral issue... yet condemned murderers may marry the consenting adult partner of their choice.
answer:
Valid


question:
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.
answer:
Invalid


question:
We are fired for being gay, and prevented hospital access to our partners cause we are gay.
answer:

Valid