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.

[EX Q]: I demanded facts rather than common sense to back up your assertion that facts and common sense are antithetical (not different, mind you, but antithetical).
[EX A]: Invalid

[EX Q]: My arguments are based on my reasoned opinion that to be a truly free and equal society, acting according to our founding principles in the Declaration of Independence, we should grant equal marriage rights to same-sex couples.
[EX A]: Valid

[EX Q]: It is the same thing with the same sex marriage because a man and a man or a woman and a woman should never be together.
[EX A]:
Valid