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: Nevertheless, I think that if people are using guns to kill people, the people using them are to blame, at least more so than anyone else.
Example Output: Invalid

Example Input: It is my INDIVIDUAL decision to marry someone of the same sex.
Example Output: Valid

Example Input: You did suggest that unmarried heterosexual couples would still be discriminated against, even if we allowed same-sex couples to marry.
Example Output:
Valid

