Step 1
Objects: Red Sign, Text 'Hello World'

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

Step 3
triplets: [Red Sign, General Objects, displays, Text 'Hello World', Text in the Image]

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

Step 5
Bounding Boxes of the Objects:
Red Sign, General Objects: [0.200, 0.200, 0.800, 0.800] - The sign occupies a central position in the image.
Text 'Hello World', Text in the Image: [0.300, 0.450, 0.700, 0.550] - The text is centered on the red sign.

Step 6
{"Red Sign": {"phrase": "Red Sign","coordinates": [0.200, 0.200, 0.800, 0.800]},"Hello World": {"phrase": "Text 'Hello World'","coordinates": [0.300, 0.450, 0.700, 0.550]}}