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:
How people feel about polygamy has no relevance on same sex couples.
answer:
Valid


question:
This *was* the law 50 years ago, and it was vigorously defended by religious and legal scholars, until finally that law was overturned and the civil right to marriage was extended to everyone regardless of their race.
answer:
Valid


question:
- I am inclined to believe that many people miss the point on various discussions, and 'evidence' must be carefully wieghed for bias on both sides.
answer:

Invalid