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

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