Step 1
Objects: Red Bus, Text 'Apple'

Step 2
General Objects: Red Bus
Text in the Image: Text 'Apple'
Objects that specifically refer to the Proper Noun of the Real World: N/A

Step 3
triplets: [Red Bus, General Objects, has, Text 'Apple', Text in the Image]

Step 4
(1) Node with max degree: Red Bus.
(2) Location of Red Bus: [Center of the canvas].
(3) Location of Text 'Apple': [On the side of the Red Bus, towards the middle].

Step 5
Bounding Boxes of the Objects:
Red Bus, General Objects: [0.100, 0.100, 0.900, 0.900] - The bus occupies a large central part of the image.
Text 'Apple', Text in the Image: [0.400, 0.450, 0.600, 0.550] - The text is on the side of the bus, centered horizontally.

Step 6
{
  "Red Bus": {
    "phrase": "Red Bus",
    "coordinates": [0.100, 0.100, 0.900, 0.900]
  },
  "Apple": {
    "phrase": "Text 'Apple'",
    "coordinates": [0.400, 0.450, 0.600, 0.550]
  }
}