Triangles △PQR and △ABC are congruent. The side length of each square on the grid is 1 unit.
Sequence A
A 180 degree rotation about point R, then a translation 2 units to the right and 6 units up.
Sequence B
A translation 4 units to the right and 6 units up, then a reflection over the horizontal line through point A.
A) only sequence A
B) only sequence B
C) Both
D) Neither