There are 5 shapes on a 5x5 grid. Which shape is closest to the cyan 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: cyan rectangle at (1, 2)
Distance from target shape to orange square at (2, 1): 2
Distance from target shape to yellow trapezoid at (3, 3): 3
Distance from target shape to blue square at (4, 2): 3
Distance from target shape to gray right_triangle at (4, 3): 4
Closest shape is the orange square at (2, 1) with distance 2</think>

<answer>(2, 1)</answer>