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: Quite frankly, one absolute certainty in science regarding homosexuality is that being gay IS NOT a "choice".

Output: Valid


Input: Consider Input: Currently if you are a man and woman you are special because as a couple you can do something a gay couple can not.

Output: Valid


Input: Consider Input: They are bigots who wish to force their bigotry on other people.


Output: Invalid


