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.

Q: We can't decide these things for ourself based on other peoples beliefs.

A: Valid
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Q: Marriage is the cultural way to formalize the heterosexual bond which, itself, facilitates reproduction.

A: Valid
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Q: It's merely sophistry: placating the masses of undereducated people who really don't have the expertise needed to run government policy through clever political rhetoric and oration.

A:
Invalid
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