There are 3 shapes on a 7x7 grid. Which shape is closest to the yellow 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: yellow trapezoid at (3, 1)
Distance from target shape to orange square at (0, 2): 4
Distance from target shape to pink square at (2, 0): 2
Closest shape is the pink square at (2, 0) with distance 2</think>

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