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:
What I do about slavery, and the colored race, I do because I believe it helps to save the Union; and what I forbear, I forbear because I do not believe it would help to save the Union.

Ex Output:
Invalid


Ex Input:
Certainly the arguments of freedom and equality apply as equally to same-sex marriage as they do to incestuous marriage, but foundation of the debate is the harms incestuous marriage creates.

Ex Output:
Valid


Ex Input:
All opponents of same-sex marriage care about is getting their own religious beliefs put into law, no matter the cost.

Ex Output:

Valid