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 don't give a XXXX if people have "criticized" the survey.
Example Output: Invalid

Example Input: That's why men and women showering together is a "big deal" but straight and gay men isn't.
Example Output: Invalid

Example Input: Your argument that "no" same-sex couple can ever contribute to society by procreating ignores the fact that gay individuals can and do procreate, and same-sex couples do contribute to society by raising children together.
Example Output:
Valid