TASK DEFINITION: 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.
PROBLEM: Let them marry and have the same government benefits, but let the church decide who its priests are.

SOLUTION: Valid

PROBLEM: So therefore gay couples who have children via adoption or a other methods should be deined such tax breaks?

SOLUTION: Valid

PROBLEM: If the legal definition of "family" has broadened over the years and it has, there's no reason to think that the definition of "marriage" might not also broaden.

SOLUTION:
Valid