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:
As long as the M word and CU words aren't used same sex couples can have all the benefits.

Ex Output:
Valid


Ex Input:
And the rulings shouldn't be considered "conservative" or "liberal".

Ex Output:
Invalid


Ex Input:
Practical problems are not a good justification to ban civil liberties, especially when the argument for gay marriage is not that it's "easy" but that it's "right".

Ex Output:

Valid