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.

[EX Q]: Just because an argument in favor of gay marriage can also justify polygamy doesn't make it less valid and shouldn't prevent it from being used.
[EX A]: Valid

[EX Q]: Despite twisting statistics by opponents of same-sex marriage, Scandavia retains an extremely high standard of living and its marriages remain unscathed by the presence of same-sex marriage.
[EX A]: Valid

[EX Q]: Environment plays a role to, some people just were not raised or experienced things that led them to developing anything beyond "normal" empathy.
[EX A]:
Invalid