Write the translation of point P(9, 6) to point P' (5, 1).
Answer choices:
[A] (x, y)→ (x+4, y+5)
[B] (x, y)→ (x-4, y-5)
[C] (x, y)→ (x-5, y-4)
[D] (x, y) → (x+5, y+4)