There are 2 shapes on a 6x6 grid. Which shape is closest to the orange 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: orange right_triangle at (2, 1)
Distance from target shape to pink rectangle at (0, 5): 6
Closest shape is the pink rectangle at (0, 5) with distance 6</think>

<answer>(0, 5)</answer>