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: If you don't want parents to be judged, the mother and father should have different cars.
Example Output: Invalid

Example Input: My arguments are based on my reasoned opinion that to be a truly free and equal society, acting according to our founding principles in the Declaration of Independence, we should grant equal marriage rights to same-sex couples.
Example Output: Valid

Example Input: But concerning marriage per se it has always been a matter for society as a whole with it always being held as between people of the opposite sex.
Example Output:
Valid

