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:
It's merely sophistry: placating the masses of undereducated people who really don't have the expertise needed to run government policy through clever political rhetoric and oration.

Ex Output:
Invalid


Ex Input:
And you say gays are entitled to every privilege the rest of us are and then you suggest that being gay would negatively effect the "values" of a child, so that shouldn't be allowed.

Ex Output:
Valid


Ex Input:
I think we who support same-sex marriage are very clear that we are fighting for freedom and equality of same-sex marriage, for all the non-heterosexual couples.

Ex Output:

Valid