The answer would be b. an appeal to fear.
The plot is the answer. hope this helps
Dxddy_Amiii ~
for your question on that other question
Answer: Can you show the story or whatever is this question about for helping you
Answer: Although they lost the black box, using stone is part of the ritual
Explanation:
Although the may have forgotten the ritual and lost the black box, but townspeople remember the use of stone on any one that pick a paper with black dot.