Of Abdul, Binoy, and Chandini:
Each member belongs to the Tee family whose members always tell the truth or to the El family whose members always lie.
Abdul says Either I belong or Binoy belongs to a different family from the other two.
Whose family do you name of?
Language is remarkable, except under the extreme constraints of mathematics and logic, it never can talk only about what it's supposed to talk about but is always spreading around.