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.

Example Input: I don't see how this is NOT related anyway.
Example Output: Invalid

Example Input: 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.
Example Output: Valid

Example Input: And since they claim HIV/AIDS is a consequence of being gay, do they want  to increase the risk of infection for straight women by insisting that such women be the only marriage partners gay men are allowed to have?
Example Output:
Valid