Step 1
Objects: Yellow Pencil, White Paper

Step 2
General Objects: Yellow Pencil, White Paper
Text in the Image: N/A
Objects that specifically refer to the Proper Noun of the Real World: N/A

Step 3
triplets: [Yellow Pencil, General Objects, is on top of, White Paper, General Objects]

Step 4
(1) Node with max degree: White Paper.
(2) Location of White Paper: [Center of the canvas].
(3) Location of Yellow Pencil: [Center-top of the White Paper].

Step 5
Bounding Boxes of the Objects:
White Paper, General Objects: [0.100, 0.300, 0.900, 0.700] - Positioned centrally in the canvas.
Yellow Pencil, General Objects: [0.450, 0.250, 0.550, 0.350] - Positioned on top of the White Paper, centrally aligned.

Step 6
{"White Paper": {"phrase": "White Paper", "coordinates": [0.100, 0.300, 0.900, 0.700]}, "Yellow Pencil": {"phrase": "Yellow Pencil", "coordinates": [0.450, 0.250, 0.550, 0.350]}}