Who’s Telling the Truth?
It is known only one character is telling the truth. Mr. April says that Mr. May tells lies. Mr. May says that Mr. June tells lies. Mr. June says that both Mr. April and Mr. May tell lies.Who is telling the truth? 
Hint: Consider whether each character in turn is telling the truth; you will end up with only one possible solution.
Also Try: Who is the thief?
AnswerMr. May is telling the truth.

I don’t understand this.puzzle.