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: The family unit has been decimated by the high levels of single mothers, single fathers, abusive parents, neglective parents, high rates of divorce, rising rates of infeditelity, and those are just a few examples.
Example Output: Valid

Example Input: I think the lack of monogamy problem among gay men stems from the fact that homosexuality has always been hand-in-hand with promiscuity.
Example Output: Valid

Example Input: By granting heterosexuals marriage and homosexuals civil unions, our laws are teaching people that homosexual relationships are not spiritually sanctioned, that they are not really committed, and that they are simply inferior.
Example Output:
Valid