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.

This is a situation that can actually be considered harmful, and it brings up a whole new debate over whether it is morally just to conceive a child who is at a greater risk of disease and mental retardation.
Invalid

As in, you present your POV with supporting evidence, people counter with their POV and supporting evidence.
Invalid

Laws against gay marriage are more harmful than beneficial as gay marriage will not harm straight people at all, but denying it will harm gay people.

Valid