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.

Some changes allowed different people to marry (blacks and whites, for example), while others expanded the rights of married people (like Federal tax breaks).
Valid

Let them marry and have the same government benefits, but let the church decide who its priests are.
Valid

Except blacks were barred from marriage to those that white people could marry, and white people were barred from marriage to those that black people could marry.

Valid

