In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

That is why publicly invoking these symbols has to be an act of responsible citizenship and not self­......(1)........ demagoguery, but the difference can be hard to ........(2)....... The problem with emotive symbols is that ......(3).......they can multiply the force of arguments, they cannot replace the arguments......(4)......... All persuasion harnesses symbols but principled persuasion must also provide arguments that can be .......(5)....... debated.