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]: You need rights established in the raising of children of your mate if something happens to them.
[EX A]: Valid

[EX Q]: When marriage laws were first written the idea of including gays probably never even occurred to anyone.
[EX A]: Valid

[EX Q]: Back to the issue (if you can), there are no significant differences between the arguement for gay marriage recognition, and say, co-habitation recognition, or polygamy marriage recognition.
[EX A]:
Valid