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.

But today I stand by the side of the group who is in the right, and I will not leave that group's side while they are morally right.
Invalid

Foster cares lengthy record on being just a step above being on the streets is far superior to the research showing gay couples for the most part make at least mediocre if not good parents.
Valid

...No State shall make or enforce any law which shall abridge the privileges or immunities of citizens of the United States...nor deny to any person within its jurisdiction the equal protection of the laws".

Valid