There are 4 shapes on a 4x4 grid. Which shape is closest to the orange 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: orange rectangle at (0, 2)
Distance from target shape to pink rectangle at (1, 1): 2
Distance from target shape to blue square at (2, 3): 3
Distance from target shape to gray right_triangle at (3, 3): 4
Closest shape is the pink rectangle at (1, 1) with distance 2</think>

<answer>(1, 1)</answer>