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:
There are gay people who live lies by pretending to be heterosexual or have a hard time coming out because they are terrified of their family's or society's disapproval, prejudice, or worse.

Ex Output:
Valid


Ex Input:
But, a liberal will say that the lowered value of a marriage is not real, it is only perceived due to the bigoted minds of the conservatives themselves.

Ex Output:
Valid


Ex Input:
High-risk behaviors include intravenous (IV) drug use, anal or homosexual sex, sex with a prostitute, sex with a partner who has high-risk behaviors, or exchange of sex for money or drugs.

Ex Output:

Invalid


