Ответ:
- F — the other letters are in alphabetical order: A, B, C.
- Q — the other letters are in alphabetical order: M, N, O.
- Y — the other letters are in alphabetical order: S, T, U.
- K — the other letters are in alphabetical order: G, H, I.
- F — the other letters are in alphabetical order: P, Q, R.
Answers: 1) F; 2) Q; 3) Y; 4) K; 5) F.
