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 *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.
Valid

Eventually gay marriage will be legallize just as intermarriage has been and future generations will look down upon those who are against gay marriage now as we look down upon those who disagreed with intermarriage.
Valid

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

