There are 3 shapes on a 10x10 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 (0, 6)
Distance from target shape to pink right_triangle at (9, 6): 9
Distance from target shape to cyan square at (5, 4): 7
Closest shape is the cyan square at (5, 4) with distance 7</think>

<answer>(5, 4)</answer>