There are 2 shapes on a 4x4 grid. Which shape is closest to the purple 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: purple trapezoid at (0, 0)
Distance from target shape to cyan square at (2, 3): 5
Closest shape is the cyan square at (2, 3) with distance 5</think>

<answer>(2, 3)</answer>