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.

And to respond to you, those childre n are orhans now because their father was killed not able to defend himself.
Valid

Australia, for example, hasn't had one single mass shooting since it passed stricter gun laws over ten years ago.
Valid

We need to preach gun responsibility, teach owners to lock up their guns, or hide them away, not have them easily obtainable for whoever wishes to pick them up.

Valid

