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.

Many social conservatives argue that benefits are provided to married couples because, in turn, married couples benefit society.
Valid

It's moral for women to remain silent, not teach, and never have authority over men?
Invalid

Our choices are not limited to either not allow gay marriage, or else allow any type of "arrangement".

Valid