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.

Input: Consider Input: Basically, Foundit's list of "suspect posters" seems to amounts to anyone who actually debates with him and disagrees with him any more than an nominal amount.

Output: Invalid


Input: Consider Input: Except blacks were barred from marriage to those that white people could marry, and white people were barred from marriage to those that black people could marry.

Output: Valid


Input: Consider Input: Are you admitting it is a special "gravy train" for opposite sex- couples ONLY?


Output: Valid


