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: Some of the social changes we have experienced over the last century have made biology less important and people's social roles in creating families more important.

A: Valid
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Q: Churches do, however, have a right to encourage voting on moral issues (it's actually in the law, believe it or not), and both of these churches are silent on political issues outside of this.

A: Valid
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Q: But redefining marriage is not about equal rights but about adding special rights to our laws and Constitution.

A:
Valid
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