There are 3 shapes on a 10x10 grid. Which shape is closest to the pink 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: pink square at (2, 6)
Distance from target shape to cyan trapezoid at (0, 1): 7
Distance from target shape to blue right_triangle at (6, 7): 5
Closest shape is the blue right_triangle at (6, 7) with distance 5</think>

<answer>(6, 7)</answer>