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.

Example Input: Environment plays a role to, some people just were not raised or experienced things that led them to developing anything beyond "normal" empathy.
Example Output: Invalid

Example Input: I respect your right to believe that "gay sex is a sin," Easyrider.
Example Output: Valid

Example Input: Allowing mostly any two consenting adults to marry would take moral proscriptions regarding marriage partners out of the hands of the state and put those moral questions entirely within the private domain of individuals and private institutions, notably religious institutions.
Example Output:
Valid