instruction:
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.
question:
Straight people have marriages gay people have domestic partnerships they are practically the same thing why change it there's really no need to.
answer:
Valid


question:
If letting judges carry out constitutional interpretation was really what they were looking for, they would not complain when that interpretation doesn't go their way.
answer:
Invalid


question:
Navy spokesman Jeff Nichols confirmed that discharge proceedings are under way, adding that Davis��_��__��_��__s broadcast comments violated the military's "don��_��__��_��__t ask, don��_��__��_��__t tell" policy.
answer:

Invalid


