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:
Either all people should be allowed to marry the person of their choice or no one should be allowed to marry.

Ex Output:
Valid


Ex Input:
Back to the issue (if you can), there are no significant differences between the arguement for gay marriage recognition, and say, co-habitation recognition, or polygamy marriage recognition.

Ex Output:
Valid


Ex Input:
Please give me one concrete example of how homosexual marriage destroys the integrity of marriage, as defined by the state, and as it is implemented/used by the state.

Ex Output:

Valid