Step 1
Objects: Gray Building, Large American Apparel Sign

Step 2
General Objects: Gray Building
Objects that specifically refer to the Proper Noun of the Real World: Large American Apparel Sign
Text in the Image: N/A

Step 3
triplets: [Gray Building, General Objects, has, Large American Apparel Sign, Objects that specifically refer to the Proper Noun of the Real World][Large American Apparel Sign, Objects that specifically refer to the Proper Noun of the Real World, is on, Gray Building, General Objects]

Step 4
(1) Node with max degree: Gray Building.
(2) Location of Gray Building: [Center of the canvas].
(3) Location of Large American Apparel Sign: [Center-top region of the Gray Building].

Step 5
Bounding Boxes of the Objects:
Gray Building, General Objects: [0.100, 0.100, 0.900, 0.900] - The building occupies most of the canvas, centered.
Large American Apparel Sign, Objects that specifically refer to the Proper Noun of the Real World: [0.300, 0.150, 0.700, 0.250] - The sign is placed centrally at the top of the building.

Step 6
{"Gray Building": {"phrase": "Gray Building","coordinates": [0.100, 0.100, 0.900, 0.900]},"American Apparel Sign": {"phrase": "Large American Apparel Sign","coordinates": [0.300, 0.150, 0.700, 0.250]}}