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]: The question is whether or not gay marriage is a civil right.
[A]: Valid


[Q]: i agree with gay marriage because it is not fair to them that only man and women who are in love can only get married.
[A]: Valid


[Q]: I can further explain that since you cannot prove same-sex couples are inferior, you are not justified in denying them marriage.
[A]:
Valid