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: Marriage is indeed a 'straight thing', and gay groups have taken a wholesome institution and used it to validify their sexual vices.
Example Output: Valid

Example Input: Your example is compeletly different as the criminals would have done something to harm others and their crime would have a reason to be against the law.
Example Output: Invalid

Example Input: The court finds (like they did in Washington) that the legislatures can reasonably believe that gay marriage will not further x,y, z causes and thus they can make a law against it.
Example Output:
Valid