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.

Input: Consider Input: Neither gay nor straight parents have any right to be a parent to someone else's child.

Output: Valid


Input: Consider Input: I suppose that you wouldn't agree with people who claim that western civilization and science as we know it were founded by the Judeo-Christian worldview.

Output: Invalid


Input: Consider 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.


Output: Valid


