Step 1
Objects: Square Book, Green Notebook

Step 2
General Objects: Square Book, Green Notebook
Text in the Image: N/A
Objects that specifically refer to the Proper Noun of the Real World: N/A

Step 3
triplets: [Square Book, General Objects, is next to, Green Notebook, General Objects]

Step 4
(1) Node with max degree: Square Book.
(2) Location of Square Book: [Center-left of the canvas].
(3) Location of Green Notebook: [Directly to the right of the Square Book].

Step 5
Bounding Boxes of the Objects:
Square Book, General Objects: [0.200, 0.300, 0.500, 0.700] - Positioned in the center-left part of the canvas.
Green Notebook, General Objects: [0.550, 0.300, 0.850, 0.700] - Positioned directly to the right of the Square Book.

Step 6
{"Square Book": {"phrase": "Square Book", "coordinates": [0.200, 0.300, 0.500, 0.700]}, "Green Notebook": {"phrase": "Green Notebook", "coordinates": [0.550, 0.300, 0.850, 0.700]}}