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.

[Q]: While extremists, primarily evangelicals, invariably resort to quoting scripture in emotional attempts to drive their point(s), most discussions are very civilized with well researched and intelligent comments.
[A]: Invalid


[Q]: 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.
[A]: Valid


[Q]: Also, the acceptance of gays would decrease the number of children born from gay parents in denial, thus also decreasing the population and therefore the amount of food consumed so that the children of heterosexual parents could be better fed.
[A]:
Valid