TASK DEFINITION: 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.
PROBLEM: So therefore gay couples who have children via adoption or a other methods should be deined such tax breaks?

SOLUTION: Valid

PROBLEM: This is a particularly useful tool for a political interest group seeking political influence or possible power, as it reduces the overall criticism directed toward any of their proposals.

SOLUTION: Invalid

PROBLEM: They may not intend to incite those who are unstable enough to physically attack those who are deamed undesirable, but you cannot tell me they do not know that their words incite disdain.

SOLUTION:
Invalid