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: They don't do it with shopping malls and basketball courts, or flashy presentations and pop music, they do it with ordinary, everyday witness to the values of Jesus Christ.

SOLUTION: Invalid

PROBLEM: If letting judges carry out constitutional interpretation was really what they were looking for, they would not complain when that interpretation doesn't go their way.

SOLUTION: Invalid

PROBLEM: Just because a homosexual may marry someone of the opposite sex does not suddenly justify keeping them from marrying a person of the opposite sex.

SOLUTION:
Valid