There are 3 shapes on a 10x10 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 (6, 8)
Distance from target shape to brown square at (4, 0): 10
Distance from target shape to pink trapezoid at (9, 7): 4
Closest shape is the pink trapezoid at (9, 7) with distance 4</think>

<answer>(9, 7)</answer>