Step 1
Objects: Boat, Red Flag, White Text 'WM4-980s'

Step 2
General Objects: Boat, Red Flag
Text in the Image: White Text 'WM4-980s'
Objects that specifically refer to the Proper Noun of the Real World: N/A

Step 3
triplets: [Boat, General Objects, has, Red Flag, General Objects]
[Red Flag, General Objects, has, White Text 'WM4-980s', Text in the Image]
[White Text 'WM4-980s', Text in the Image, is on, Red Flag, General Objects]

Step 4
(1) Node with max degree: Boat.
(2) Location of Boat: [Center of the canvas].
(3) Location of Red Flag and White Text 'WM4-980s': Red Flag: [Towards the rear end of the Boat]; White Text 'WM4-980s': [Centered on the Red Flag].

Step 5
Bounding Boxes of the Objects:
Boat, General Objects: [0.100, 0.300, 0.900, 0.700] - The boat occupies a central position in the image.
Red Flag, General Objects: [0.800, 0.350, 0.900, 0.450] - Positioned towards the rear end of the boat.
White Text 'WM4-980s', Text in the Image: [0.810, 0.370, 0.890, 0.430] - Centered on the red flag.

Step 6
{
  "Boat": {"phrase": "Boat", "coordinates": [0.100, 0.300, 0.900, 0.700]},
  "Red Flag": {"phrase": "Red Flag", "coordinates": [0.800, 0.350, 0.900, 0.450]},
  "WM4-980s": {"phrase": "White Text 'WM4-980s'", "coordinates": [0.810, 0.370, 0.890, 0.430]}
}