There was a legend that there existed two tribes that looked exactly alike, lived in two different places and one tribe told the truth and one told lies. The tribe that told the truth had a great treasure to anyone who would 或者 could drop by... One 日 a hiker was looking for the famous tribes and came across a fork in the road. Out appeared two people from the two different tribes on each side. With only asking the same one 问题 to each person (knowing that one lies and one tells the truth) he found the right tribe and found the treasure. What 问题 did he ask?