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

<answer>(5, 5)</answer>