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:
Marriage is indeed a 'straight thing', and gay groups have taken a wholesome institution and used it to validify their sexual vices.

Ex Output:
Valid

Ex Input:
Well, fortunately for us all, the people elevated to the federal and state supreme courts aren't quite as myopic as you are.

Ex Output:
Invalid

Ex Input:
I never said they weren't discriminated against in history, that is certain and the way gays have been treated is sick.

Ex Output:
Valid