There are 5 shapes on a 8x8 grid. Which shape is closest to the cyan square in terms of Manhattan distance? The final answer is the grid position of the closest shape like (row_index, column_index).
<think>Target shape: cyan square at (2, 4)
Distance from target shape to gray square at (7, 7): 8
Distance from target shape to purple square at (5, 3): 4
Distance from target shape to pink square at (1, 3): 2
Distance from target shape to orange square at (7, 3): 6
Closest shape is the pink square at (1, 3) with distance 2</think>

<answer>(1, 3)</answer>