Given the Question and Answer pair, detect whether the answer is acceptable or not. Denote acceptable answer as "yes", otherwise denote as "no". An acceptable answer is consistent with the context in question, detailed, long, and uses general knowledge of English. Answers that are not definite and suggest a variety of options are not acceptable answers.

Question: Possible Duplicate: Which is the proper spelling: "disfunction" or "dysfunction"? What's the rationale behind dysfunctional being spelled dys- and not dis-? 
Answer: The Oxford English Dictionary records disfunctional as a variant spelling of (the more usual) dysfunctional.
no