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: Churches and other religious bodies are free to espouse what they choose, and people are free to believe as they choose about same-sex relations and marriage, and they are free to believe that such relations are sinful.
Example Output: Valid

Example Input: You can't alter gut or religious feelings with logic, only refute arguments presented with a rational basis, and you so rarely provide any of that, I've given up expecting it of you.
Example Output: Invalid

Example Input: Placing children with gay couples is unnecessary and harmful - if group homes are the only alternative then it is argued such environments are more healthy and indeed normal than farming kids out to gays
Example Output:
Valid