There are 3 shapes on a 4x4 grid. Which shape is closest to the brown rectangle 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 rectangle at (0, 2)
Distance from target shape to yellow square at (3, 0): 5
Distance from target shape to gray trapezoid at (3, 3): 4
Closest shape is the gray trapezoid at (3, 3) with distance 4</think>

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