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:
This is a particularly useful tool for a political interest group seeking political influence or possible power, as it reduces the overall criticism directed toward any of their proposals.

Ex Output:
Invalid


Ex Input:
You can do anything you want..........When straight people have sex unless protection is used there is a chance for conception and populating the race.

Ex Output:
Valid


Ex Input:
Also, marriage is not just a religious institution (especially to those who choose to marry, who are not religious), and the common law requires no particular ceremony to validate the celebration of marriage.

Ex Output:

Valid