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: It could only be those people who are uncertain of their sexuality right now; it could only be those people who might suspect themselves of being homosexual today, but deny it because of society's lack of acceptance.

Output: Invalid


Input: Consider Input: Straight people have marriages gay people have domestic partnerships they are practically the same thing why change it there's really no need to.

Output: Valid


Input: Consider Input: The movement for gay rights and LGBT equality is doomed to failure, or at the very least a fatally slanted naming convention (equality is equal if we are both trying to be like a standard model).


Output: Valid