There are 2 shapes on a 5x5 grid. Which shape is closest to the gray 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: gray trapezoid at (0, 0)
Distance from target shape to red square at (4, 3): 7
Closest shape is the red square at (4, 3) with distance 7</think>

<answer>(4, 3)</answer>