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:
Also, the acceptance of gays would decrease the number of children born from gay parents in denial, thus also decreasing the population and therefore the amount of food consumed so that the children of heterosexual parents could be better fed.

Ex Output:
Valid


Ex Input:
The comparison of gay marriage to voting is tenuous when one realizes that voting has been a constitutional gurantee specifically stated from early on.

Ex Output:

Valid