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: So thinking a church is like a club membership and to be a member you have to abide by certain rules.
Example Output: Invalid

Example Input: Or those rabid anti-gay-agenda people who profess to not be "all so religious" but still think gays are "immoral."
Example Output: Valid

Example Input: The new study by two University of Southern California sociologists says children with lesbian or gay parents show more empathy for social diversity, are less confined by gender stereotypes, and are probably more likely to explore homosexual activity themselves.
Example Output:
Valid