There are 6 shapes on a 5x5 grid. Which shape is closest to the cyan square 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 square at (3, 2)
Distance from target shape to red trapezoid at (4, 4): 3
Distance from target shape to purple right_triangle at (3, 4): 2
Distance from target shape to orange right_triangle at (1, 2): 2
Distance from target shape to blue rectangle at (3, 1): 1
Distance from target shape to gray trapezoid at (4, 2): 1
Closest shape is the blue rectangle at (3, 1) with distance 1</think>

<answer>(3, 1)</answer>