There are 2 shapes on a 6x6 grid. Which shape is closest to the blue trapezoid 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 trapezoid at (1, 3)
Distance from target shape to yellow rectangle at (5, 4): 5
Closest shape is the yellow rectangle at (5, 4) with distance 5</think>

<answer>(5, 4)</answer>