Step 1
Objects: Brown Dog, White Rabbit(1), White Rabbit(2), White Rabbit(3), White Rabbit(4), Field

Step 2
General Objects: Brown Dog, White Rabbit(1), White Rabbit(2), White Rabbit(3), White Rabbit(4), Field
Text in the Image: N/A
Objects that specifically refer to the Proper Noun of the Real World: N/A

Step 3
triplets: 
[Brown Dog, General Objects, is chasing, White Rabbit(1), General Objects]
[Brown Dog, General Objects, is chasing, White Rabbit(2), General Objects]
[Brown Dog, General Objects, is chasing, White Rabbit(3), General Objects]
[Brown Dog, General Objects, is chasing, White Rabbit(4), General Objects]
[White Rabbit(1), General Objects, is in, Field, General Objects]
[White Rabbit(2), General Objects, is in, Field, General Objects]
[White Rabbit(3), General Objects, is in, Field, General Objects]
[White Rabbit(4), General Objects, is in, Field, General Objects]
[Field, General Objects, contains, Brown Dog, General Objects]
[Field, General Objects, contains, White Rabbit(1), General Objects]
[Field, General Objects, contains, White Rabbit(2), General Objects]
[Field, General Objects, contains, White Rabbit(3), General Objects]
[Field, General Objects, contains, White Rabbit(4), General Objects]

Step 4
(1) Node with max degree: Field.
(2) Location of Field: [Spanning the entire lower part of the canvas].
(3) Location of Brown Dog and White Rabbits: Brown Dog: [Lower center of the canvas, slightly to the left]; White Rabbit(1): [Lower center-left of the canvas]; White Rabbit(2): [Lower center of the canvas]; White Rabbit(3): [Lower center-right of the canvas]; White Rabbit(4): [Lower right of the canvas].

Step 5
Bounding Boxes of the Objects:
Brown Dog, General Objects: [0.200, 0.600, 0.400, 0.900] - Located towards the lower center-left part of the canvas.
White Rabbit(1), General Objects: [0.300, 0.600, 0.400, 0.800] - Located towards the lower center-left part of the canvas.
White Rabbit(2), General Objects: [0.350, 0.600, 0.450, 0.800] - Located towards the lower center of the canvas.
White Rabbit(3), General Objects: [0.400, 0.600, 0.500, 0.800] - Located towards the lower center-right part of the canvas.
White Rabbit(4), General Objects: [0.450, 0.600, 0.550, 0.800] - Located towards the lower right part of the canvas.
Field, General Objects: [0.000, 0.500, 1.000, 1.000] - The field spans the entire lower portion of the canvas.

Step 6
{
  "Brown Dog": {"phrase": "Brown Dog", "coordinates": [0.200, 0.600, 0.400, 0.900]},
  "White Rabbit1": {"phrase": "White Rabbit", "coordinates": [0.300, 0.600, 0.400, 0.800]},
  "White Rabbit2": {"phrase": "White Rabbit", "coordinates": [0.350, 0.600, 0.450, 0.800]},
  "White Rabbit3": {"phrase": "White Rabbit", "coordinates": [0.400, 0.600, 0.500, 0.800]},
  "White Rabbit4": {"phrase": "White Rabbit", "coordinates": [0.450, 0.600, 0.550, 0.800]},
  "Field": {"phrase": "Field", "coordinates": [0.000, 0.500, 1.000, 1.000]}
}