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: I still think government can just but out of marriage all together.
Example Output: Valid

Example Input: Yet the law will be upheld because it is a rational means of advancing the state interest in protecting persons from fraudulent or unscrupulous insurance agents.
Example Output: Valid

Example Input: I also doubt I've argued that a hospital shouldn't be required to be decent, or that 'visiting a lawyer' would mean one was 'all set' in every way.
Example Output:
Invalid