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]: A significant proportion of homosexuals are apparently satisfied with their sexual orientation, show nosignificant signs of manifest psychopathology (other than their homosexuality, if this is considered by itselfpsychopathology), and are able to function quite effectively.
[EX A]: Valid

[EX Q]: So how can allowing gays to marry discredit this so called "traditional marriage" any worse than what hetero's already have?
[EX A]: Valid

[EX Q]: Changing the current state of marriage to allow same sex marriage will not effect straight marriages at all.
[EX A]:
Valid