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: Currently if you are a man and woman you are special because as a couple you can do something a gay couple can not.

A: Valid
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Q: Even if the specific point of the story was concerning a sexual matter, rather than hospitality, the issue is rape not homosexuality.

A: Invalid
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Q: By reducing marriage to only a legal agreement, you've not only denigrated the marriages of many people, but many gay people as well who claim to have a marriage even though they don't have a license.

A:
Valid
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