instruction:
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.
question:
Before you state that same-sex couples cannot have children, understand that such a claim is a myth propogated by people whose religious values do not permit having sex outside a marriage or using a surrogate parent.
answer:
Valid


question:
Secondly marriage is so much more than just a union, it is pretty much the centre of our society and the height of commitment and finally homosexuals can be religious too, so why shouldn't they want a religious ceremony?
answer:
Valid


question:
You throw out this absurd claim that allowing gay marriage will allow other changes, but people reply back and show that there ARE LEGITIMATE STATE INTERESTS for preventing the other desired forms.
answer:

Valid