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:
The fact that it is impractical to offer the benefits of marriage across many people is really far more important than the inequality, since the inequality would only be helping some families while hurting no others.
answer:
Valid


question:
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.
answer:
Valid


question:
a brother-sister marriage is not an extreme argument as the reasons you use should apply to those kind of marriages too if you wish to talk about it in terms of "equal protection".
answer:

Valid


