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.

Ex Input:
You post biased links, to people who have a deep prejudice and ignorance of gay people, and you clearly have no idea what you are talking about, nor the damage these types of lies you imply have on people.

Ex Output:
Invalid


Ex Input:
After all, if gays aren't spreading HIV, then we sould be concentrating on MSMs and not worrying about gay marriage, right?

Ex Output:
Valid


Ex Input:
Enlightenment A philosophical movement of the 18th century that emphasized the use of reason to scrutinize previously accepted doctrines and traditions and that brought about many humanitarian reforms.

Ex Output:

Invalid