There are 3 shapes on a 7x7 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, 4)
Distance from target shape to cyan trapezoid at (0, 5): 3
Distance from target shape to brown square at (4, 4): 2
Closest shape is the brown square at (4, 4) with distance 2</think>

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