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.

Ex Input:
In fact, a recent CNN poll showed that 55 percent of Americans oppose gay marriage, so Prejean's stance is clearly within the mainstream of public opinion.

Ex Output:
Valid


Ex Input:
In colonial times the Speaker of the House, Sal DiMasi, ringleader of these legislative charlatans, would have been dragged down the steps of the State House, tarred and feathered, then banished to Canada.

Ex Output:
Invalid


Ex Input:
However, based on what is available: the sample sizes are very small, the terminology is vague, assessment method is unclear, and correlation has been conflated with causation.

Ex Output:

Invalid