There are 4 shapes on a 8x8 grid. Which shape is closest to the pink 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: pink trapezoid at (3, 5)
Distance from target shape to orange rectangle at (0, 2): 6
Distance from target shape to red square at (3, 1): 4
Distance from target shape to cyan rectangle at (4, 3): 3
Closest shape is the cyan rectangle at (4, 3) with distance 3</think>

<answer>(4, 3)</answer>