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 Input:
A valid argument against incestuous marriage would not have as its only premise "Marriage is defined as a legal bond between a man and a woman who are not x-apart related."

Ex Output:
Valid


Ex Input:
POTS and kettles dude since this is my thread and the topic of aids has nothing to do with why people think that they have the right to vote on my marriage.

Ex Output:
Valid


Ex Input:
In fact, a recent CNN poll showed that 55 percent of Americans oppose gay marriage, so Prejean's stance is clearly within the mainstream of public opinion.

Ex Output:

Valid