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: There are no actual legal stipulations regarding HIV patients having sex, particularily with non-HIV people, which may as well be considered murder.
Example Output: Invalid

Example Input: The fact that certain 'less meaningful' marriages can't be stopped doesn't mean others should be expressly allowed.
Example Output: Valid

Example Input: The exact same argument could be used to support traditional marriage.
Example Output:
Valid