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.

I respect your right to believe that "gay sex is a sin," Easyrider.
Valid

Making a case against gay marriage on god alone is a weak position.
Valid

Suppose somebody were to propose that people of different RELIGIONS should not marry, citing statistics on divorce.

Valid