Step 1
Objects: Nine flying seagulls (1 to 9), a sandy beach, four surfboards (1 to 4).

Step 2
General Objects: Nine flying seagulls (1 to 9), a sandy beach, four surfboards (1 to 4)
Text in the Image: N/A
Objects that specifically refer to the Proper Noun of the Real World: N/A

Step 3
triplets: 
[Flying seagull(1), General Objects, is above, sandy beach, General Objects]
[Flying seagull(2), General Objects, is above, sandy beach, General Objects]
[Flying seagull(3), General Objects, is above, sandy beach, General Objects]
[Flying seagull(4), General Objects, is above, sandy beach, General Objects]
[Flying seagull(5), General Objects, is above, sandy beach, General Objects]
[Flying seagull(6), General Objects, is above, sandy beach, General Objects]
[Flying seagull(7), General Objects, is above, sandy beach, General Objects]
[Flying seagull(8), General Objects, is above, sandy beach, General Objects]
[Flying seagull(9), General Objects, is above, sandy beach, General Objects]
[Surfboard(1), General Objects, is on, sandy beach, General Objects]
[Surfboard(2), General Objects, is on, sandy beach, General Objects]
[Surfboard(3), General Objects, is on, sandy beach, General Objects]
[Surfboard(4), General Objects, is on, sandy beach, General Objects]

Step 4
(1) Node with max degree: sandy beach. 
(2) Location of sandy beach: [Spanning the entire lower part of the canvas].
(3) Location of Nine flying seagulls (1 to 9): Distributed evenly across the upper part of the canvas.
Location of four surfboards (1 to 4): Lined up horizontally on the sandy beach near the lower edge of the canvas.

Step 5
Bounding Boxes of the Objects:
sandy beach, General Objects: [0.000, 0.600, 1.000, 1.000]
Flying seagull(1), General Objects: [0.050, 0.100, 0.150, 0.200]
Flying seagull(2), General Objects: [0.150, 0.120, 0.250, 0.220]
Flying seagull(3), General Objects: [0.250, 0.140, 0.350, 0.240]
Flying seagull(4), General Objects: [0.350, 0.160, 0.450, 0.260]
Flying seagull(5), General Objects: [0.450, 0.180, 0.550, 0.280]
Flying seagull(6), General Objects: [0.550, 0.200, 0.650, 0.300]
Flying seagull(7), General Objects: [0.650, 0.220, 0.750, 0.320]
Flying seagull(8), General Objects: [0.750, 0.240, 0.850, 0.340]
Flying seagull(9), General Objects: [0.850, 0.260, 0.950, 0.360]
Surfboard(1), General Objects: [0.100, 0.800, 0.300, 0.900]
Surfboard(2), General Objects: [0.350, 0.800, 0.550, 0.900]
Surfboard(3), General Objects: [0.600, 0.800, 0.800, 0.900]
Surfboard(4), General Objects: [0.850, 0.800, 1.000, 0.900]

Step 6
{
  "sandy beach": {"phrase": "a sandy beach", "coordinates": [0.000, 0.600, 1.000, 1.000]},
  "seagull1": {"phrase": "Flying seagull", "coordinates": [0.050, 0.100, 0.150, 0.200]},
  "seagull2": {"phrase": "Flying seagull", "coordinates": [0.150, 0.120, 0.250, 0.220]},
  "seagull3": {"phrase": "Flying seagull", "coordinates": [0.250, 0.140, 0.350, 0.240]},
  "seagull4": {"phrase": "Flying seagull", "coordinates": [0.350, 0.160, 0.450, 0.260]},
  "seagull5": {"phrase": "Flying seagull", "coordinates": [0.450, 0.180, 0.550, 0.280]},
  "seagull6": {"phrase": "Flying seagull", "coordinates": [0.550, 0.200, 0.650, 0.300]},
  "seagull7": {"phrase": "Flying seagull", "coordinates": [0.650, 0.220, 0.750, 0.320]},
  "seagull8": {"phrase": "Flying seagull", "coordinates": [0.750, 0.240, 0.850, 0.340]},
  "seagull9": {"phrase": "Flying seagull", "coordinates": [0.850, 0.260, 0.950, 0.360]},
  "surfboard1": {"phrase": "Surfboard", "coordinates": [0.100, 0.800, 0.300, 0.900]},
  "surfboard2": {"phrase": "Surfboard", "coordinates": [0.350, 0.800, 0.550, 0.900]},
  "surfboard3": {"phrase": "Surfboard", "coordinates": [0.600, 0.800, 0.800, 0.900]},
  "surfboard4": {"phrase": "Surfboard", "coordinates": [0.850, 0.800, 1.000, 0.900]}
}