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:
Same-sex couples should have the equal right to marry legally because it benefits society to support stable families, and it especially benefits children to live in stable families with two married parents.

Ex Output:
Valid


Ex Input:
The courts didn't give people a say in overturning interracial marriage.

Ex Output:
Valid


Ex Input:
minorities become majorities in large part by persuasion - so people should definitely try to convince people with different beliefs.

Ex Output:

Invalid