There are 5 shapes on a 3x3 grid. Which shape is closest to the blue 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: blue square at (1, 0)
Distance from target shape to gray square at (2, 1): 2
Distance from target shape to orange square at (0, 0): 1
Distance from target shape to brown square at (1, 2): 2
Distance from target shape to yellow right_triangle at (0, 1): 2
Closest shape is the orange square at (0, 0) with distance 1</think>

<answer>(0, 0)</answer>