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.

Input: Consider Input: Well, if that's a reason to ban homosexuals from marriage, then along the same line of thought, then any couple that is infertile or chooses not to have children should not be permitted to get married.

Output: Valid

Input: Consider Input: In your wildest dream, if this should happen, I suppose there'd be a civil uprising followed by the secession of several states to form at least two countries.

Output: Invalid

Input: Consider Input: Quite frankly, if somebody wants to announce in their own church, to people who choose to go to church, that homosexuality is "immoral", that's their perogative.
Output: Valid