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:
Evidently, they want the right to marry only because they do not want heterosexuals to have something they can��_��__��_��__t have.

Ex Output:
Valid


Ex Input:
Let me further expound on this, An important legal principle called the Conflict of Laws, allows states or nations that have a strong public policy exception to the laws of another state or nation, to enforce their own principles.

Ex Output:
Valid


Ex Input:
As for the life expectancy ones a lot of the behaviors are hardly limited to homosexuality and their inclusion makes me wonder about the validity of that survey too as well as the huge gap.

Ex Output:

Invalid