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: This does NOT mean that I think they have it easy (in this country).
Example Output: Invalid

Example Input: With sodomy laws in place, the legal response to a constitutional challenge of gay marriage would be to point out that the state is "sanctioning" a union which would require an illegal act to consummate.
Example Output: Valid

Example Input: I don't mean to demonize those relationships, though I do mean to say that they are part of something which could be considered harmful, while same-sex couples are not.
Example Output:
Valid