There are 3 shapes on a 8x8 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 (2, 3)
Distance from target shape to orange trapezoid at (6, 6): 7
Distance from target shape to red square at (2, 7): 4
Closest shape is the red square at (2, 7) with distance 4</think>

<answer>(2, 7)</answer>