There are 3 shapes on a 6x6 grid. Which shape is closest to the yellow square 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 square at (3, 0)
Distance from target shape to green trapezoid at (3, 5): 5
Distance from target shape to blue trapezoid at (2, 2): 3
Closest shape is the blue trapezoid at (2, 2) with distance 3</think>

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