There are 3 shapes on a 5x5 grid. Which shape is closest to the blue 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: blue trapezoid at (0, 1)
Distance from target shape to purple square at (4, 3): 6
Distance from target shape to yellow rectangle at (2, 0): 3
Closest shape is the yellow rectangle at (2, 0) with distance 3</think>

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