There are 2 shapes on a 10x10 grid. Which shape is closest to the gray 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: gray trapezoid at (8, 1)
Distance from target shape to brown right_triangle at (7, 5): 5
Closest shape is the brown right_triangle at (7, 5) with distance 5</think>

<answer>(7, 5)</answer>