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]: In fact, a recent CNN poll showed that 55 percent of Americans oppose gay marriage, so Prejean's stance is clearly within the mainstream of public opinion.
[A]: Valid


[Q]: So I must ask you why exactly are you against same sex marriage when it has been shown that the ban on same sex marriage is just like the ban on interracial couples getting married?
[A]: Valid


[Q]: The idea that we should disallow same-sex marriage simply because it is a norm in society implies that we do not have a reason to deny same-sex marriage except for the norms of the society.
[A]:
Valid