There are 3 shapes on a 10x10 grid. Which shape is closest to the red 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: red square at (2, 7)
Distance from target shape to gray rectangle at (3, 4): 4
Distance from target shape to orange trapezoid at (0, 3): 6
Closest shape is the gray rectangle at (3, 4) with distance 4</think>

<answer>(3, 4)</answer>