Step 1
Objects: Blue Sign, Text 'Diffusion'

Step 2
General Objects: Blue Sign
Text in the Image: Text 'Diffusion'
Objects that specifically refer to the Proper Noun of the Real World: N/A

Step 3
triplets: [Blue Sign, General Objects, displays, Text 'Diffusion', Text in the Image]

Step 4
(1) Node with max degree: Blue Sign.
(2) Location of Blue Sign: [Center of the canvas].
(3) Location of Text 'Diffusion': [Centered on the Blue Sign].

Step 5
Bounding Boxes of the Objects:
Blue Sign, General Objects: [0.100, 0.200, 0.900, 0.800] - The sign occupies a central position in the image, not covering the entire canvas but prominently displayed.
Text 'Diffusion', Text in the Image: [0.300, 0.400, 0.700, 0.600] - The text is centered on the blue sign, fitting within its bounds.

Step 6
{"Blue Sign": {"phrase": "Blue Sign", "coordinates": [0.100, 0.200, 0.900, 0.800]}, "Diffusion": {"phrase": "Text 'Diffusion'", "coordinates": [0.300, 0.400, 0.700, 0.600]}}