There are 2 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 (4, 3)
Distance from target shape to purple right_triangle at (3, 7): 5
Closest shape is the purple right_triangle at (3, 7) with distance 5</think>

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