There are 4 shapes on a 5x5 grid. Which shape is closest to the purple 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: purple trapezoid at (4, 2)
Distance from target shape to brown right_triangle at (0, 4): 6
Distance from target shape to yellow rectangle at (1, 0): 5
Distance from target shape to red square at (0, 0): 6
Closest shape is the yellow rectangle at (1, 0) with distance 5</think>

<answer>(1, 0)</answer>