There are 5 shapes on a 10x10 grid. Which shape is closest to the brown 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: brown square at (5, 4)
Distance from target shape to pink square at (5, 8): 4
Distance from target shape to cyan trapezoid at (4, 2): 3
Distance from target shape to blue rectangle at (2, 2): 5
Distance from target shape to orange square at (0, 7): 8
Closest shape is the cyan trapezoid at (4, 2) with distance 3</think>

<answer>(4, 2)</answer>