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:
Some people may think atheists are unintellectual; based on that premise, then atheists cannot give consent.

Ex Output:
Invalid


Ex Input:
However, a man and a woman are both "persons" under the law and are not treated differently under the law.

Ex Output:
Valid


Ex Input:
I HAVE questioned McCain on the issue of not withdrawing troops from Iraq and his bailout, both of which are wrong approaches.

Ex Output:

Invalid


