We would like you to assess the QUALITY of each of the following argument (discussing Gun Control) 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 gun control. An invalid argument is a phrase that cannot be interpreted as an argument or not on the topic of gun control.
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Question: The difference is the fact that at the time firearms were not prohibited on school grounds which lead to return fire coming from regular citizens and students in aid of the police on the scene.

Answer: Valid


Question: I can understand your belief that gun control won't work and that owning guns is a good thing, I don't agree with it, but is hardly beyond comprehension.

Answer: Valid


Question: I know that we all would like to pretend we have the power to change the world, but for gun crimes you are dealing with the hardened hearts of men who are willing to take another���s life.

Answer:
Valid