There are 5 shapes on a 7x7 grid. Which shape is closest to the yellow square 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 square at (1, 0)
Distance from target shape to red trapezoid at (2, 5): 6
Distance from target shape to orange right_triangle at (3, 3): 5
Distance from target shape to gray trapezoid at (5, 5): 9
Distance from target shape to blue rectangle at (3, 6): 8
Closest shape is the orange right_triangle at (3, 3) with distance 5</think>

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