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 changes allowed different people to marry (blacks and whites, for example), while others expanded the rights of married people (like Federal tax breaks).

Ex Output:
Valid


Ex Input:
Since people cannot come up with any tangible reason for denying same-sex couples marriage - and same-sex couple can at least quantify the harm of denying them marriage, who do you think wins the argument?

Ex Output:
Valid


Ex Input:
I mean that marriage should be relegated to the religious and cultural sector, and have government assign benefits via CUs for BOTH groups.

Ex Output:

Valid