instruction:
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.
question:
Either all people should be allowed to marry the person of their choice or no one should be allowed to marry.
answer:
Valid


question:
And people who oppose gay marriage, what's the difference between giving equal rights through a civil union and marriage?
answer:
Valid


question:
It's no surprise that people who hold to the idea that the constitution shouldn't be taken with a strict interpretation would not like accusations of judicial activism, and in fact deny them at all costs.
answer:

Invalid