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.

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.
Invalid

YOU call it "opposing the immoral influence", but the ACTIONS they take are to support the discrimination against gays.
Valid

There are situations where we should change how we do things, because sometimes how we do things is contrary to our own constitution, our own set of fundamental principles on which have agreed and have included in the constitution.

Valid