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.
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Question: School for some children is just passing notes in class and making fun of the kid with the glasses who sits up front taking notes.

Answer: Invalid


Question: The fact that certain 'less meaningful' marriages can't be stopped doesn't mean others should be expressly allowed.

Answer: Valid


Question: It can't be proven that opposite-sex marriage is harmless, it can't be proven that alcohol use is harmless, it can't be proven that airbags or seatbelts are harmless, even.

Answer:
Valid