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.

if we say that same-sex couples should have the right to marry each other, then any two consenting adults should have the legal right to marry each other.
Valid

Not so long ago gay sex was considered beyond the pale let alone gay marriage so really morals have nothing to do with the gay marriage debate.
Valid

Nor does this exclusion rationally further the State's legitimate interest in encouraging heterosexual married couples to procreate.

Valid