There are 5 shapes on a 10x10 grid. Which shape is closest to the orange 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: orange trapezoid at (4, 6)
Distance from target shape to gray trapezoid at (3, 2): 5
Distance from target shape to green square at (5, 0): 7
Distance from target shape to brown right_triangle at (3, 7): 2
Distance from target shape to cyan right_triangle at (2, 7): 3
Closest shape is the brown right_triangle at (3, 7) with distance 2</think>

<answer>(3, 7)</answer>