There are 5 shapes on a 5x5 grid. Which shape is closest to the green trapezoid in terms of Manhattan distance? The final answer is the grid position of the closest shape like (row_index, column_index).
<think>Target shape: green trapezoid at (2, 1)
Distance from target shape to pink square at (2, 3): 2
Distance from target shape to red square at (3, 2): 2
Distance from target shape to cyan square at (2, 0): 1
Distance from target shape to purple square at (3, 1): 1
Closest shape is the cyan square at (2, 0) with distance 1</think>

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