The sign on the restaurant wall says "No Smoking Rules Enforced." Therefore, we can probably smoke, since the smoking rules aren't enforced.
A) Missing the point.
B) Appeal to ignorance.
C) Amphiboly.
D) No fallacy.
E) Equivocation.

Question

Quizplus · Accepted Answer

The fallacy here is amphiboly, which involves ambiguity in the structure of a sentence. The sentence "No Smoking Rules Enforced" can be ambiguously interpreted as either rules against smoking are enforced or there are no rules about smoking that are enforced.

The Sign on the Restaurant Wall Says "No Smoking Rules