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.

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

Do you really not understand the difference between what some KKK guy does at home, or what his private opinions are, and the stance of the organization itself?
Invalid

Yes, but gays would also want laws changed to accomodate THEIR form of marriage as well.

Valid