Given the task definition and input, reply with output. 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.

FFC basically says that one state must recognize the marriages of other states and DOMA basically says "states don't have to recognize gay marriages of other states".

Valid