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 not going to change as same-sex marriage becomes legal in more places.

Ex Output:
Valid


Ex Input:
Let the government decide this on a purely constitutional or legal basis (because that 's its function).

Ex Output:
Valid


Ex Input:
what may lead to incestuous marriage is if siblings or related people who love each other and want to live together under the legal union of marriage.

Ex Output:

Valid


