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:
They may not intend to incite those who are unstable enough to physically attack those who are deamed undesirable, but you cannot tell me they do not know that their words incite disdain.

Ex Output:
Invalid


Ex Input:
Here in the Midwest, large numbers of diehard black Democrats voted for Kerry and against gay marriage.

Ex Output:
Valid


Ex Input:
When two people, regardless of their gender, are STD free, they do not "create" any life threatening diseases just by having sex.

Ex Output:

Valid