Given the task definition and input, reply with output. 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.

Lambda Legal filed the lawsuit in March 2004 seeking marriage licenses for same-sex couples in New York, arguing that denying marriage to same-sex couples violates the state Constitution______s guarantees of equality, liberty and privacy for all New Yorkers.
Valid