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

<answer>(0, 2)</answer>