There are 6 shapes on a 6x6 grid. Which shape is closest to the orange right_triangle 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 right_triangle at (2, 0)
Distance from target shape to pink square at (5, 2): 5
Distance from target shape to red trapezoid at (4, 2): 4
Distance from target shape to blue right_triangle at (5, 5): 8
Distance from target shape to brown right_triangle at (3, 2): 3
Distance from target shape to yellow right_triangle at (5, 0): 3
Closest shape is the brown right_triangle at (3, 2) with distance 3</think>

<answer>(3, 2)</answer>