Determine whether each of the following sets of sentences meets the definition of an argument. Sentence Set B S₁: Stop lethal injection! S₂: Can't you see that it is a cruel and unusual form of punishment? S₃: Be sure to write to your representatives in Congress to let them know that you oppose lethal injection. Sentence Set B an argument. If applicable, sentence is the conclusion of Sentence Set B. (Leave blank if the sentence set is not an argument.)