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: The usual reason given for banning first-cousin marriage is because there is a risk of offspring of first cousins having biological problems.

Output: Valid


Input: Consider Input: Funny that the author didn't look at lost inhetitance taxes, which could easily offset the income tax advatage stated above, the additional cost in SS survivor benefits and additional corporate healthcare costs.

Output: Valid


Input: Consider Input: I would argue that in many cases, it is probably the dominating situation created by having sex with a child that draws many child molesters.


Output: Invalid