Step 1
Objects: Apple computer, Table, iPhone, iPad

Step 2
General Objects: Apple computer, Table, iPhone, iPad
Text in the Image: N/A
Objects that specifically refer to the Proper Noun of the Real World: N/A

Step 3
triplets: [Apple computer, General Objects, is on, Table, General Objects]
[Apple computer, General Objects, is next to, iPhone, General Objects]
[iPhone, General Objects, is next to, iPad, General Objects]
[iPhone, General Objects, is on, Table, General Objects]
[iPad, General Objects, is on, Table, General Objects]
[iPad, General Objects, is next to, iPhone, General Objects]

Step 4
(1) Node with max degree: Table.
(2) Location of Table: [Spanning the lower part of the canvas].
(3) Location of Apple computer, iPhone, iPad: 
   - Apple computer: [Center-left on the Table]
   - iPhone: [Center-right on the Table, next to the Apple computer]
   - iPad: [Far right on the Table, next to the iPhone]

Step 5
Bounding Boxes of the Objects:
Table, General Objects: [0.000, 0.500, 1.000, 0.900] - The table spans the lower part of the canvas.
Apple computer, General Objects: [0.200, 0.550, 0.500, 0.850] - Positioned center-left on the table.
iPhone, General Objects: [0.525, 0.600, 0.675, 0.800] - Positioned center-right on the table, next to the Apple computer.
iPad, General Objects: [0.700, 0.600, 0.900, 0.800] - Positioned far right on the table, next to the iPhone.

Step 6
{
  "Table": {"phrase": "Table", "coordinates": [0.000, 0.500, 1.000, 0.900]},
  "Apple computer": {"phrase": "Apple computer", "coordinates": [0.200, 0.550, 0.500, 0.850]},
  "iPhone": {"phrase": "iPhone", "coordinates": [0.525, 0.600, 0.675, 0.800]},
  "iPad": {"phrase": "iPad", "coordinates": [0.700, 0.600, 0.900, 0.800]}
}