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: Anyone can be gay but only homosexuals are sexually attracted to their own sex.
Example Output: Valid

Example Input: For me and many gay people same sex marriage is both moral and ethical.
Example Output: Valid

Example Input: Heterosexual sex between two consenting, disease free adults is no more likely to kill someone than heterosexual sex between two consenting, disease free adults.
Example Output:
Valid