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:
If the concept of 'harm' is to decide whether or not gay people should be allowed to redefine the institution of marriage, then gay rights groups have little to stand on.
answer:
Valid


question:
Or put in a different light, parents always have the right to raise their children as they please.
answer:
Invalid


question:
But one who teaches that homosexuality is wrong, yet who sees violence against homosexuals and also states that we should not harm them cannot be blamed for violence.
answer:

Valid