Step 1
Objects: Building, Sign, Text 'sahara 919 n. stone'

Step 2
General Objects: Building, Sign
Text in the Image: Text 'sahara 919 n. stone'
Objects that specifically refer to the Proper Noun of the Real World: N/A

Step 3
triplets: [Building, General Objects, has, Sign, General Objects]
[Sign, General Objects, displays, Text 'sahara 919 n. stone', Text in the Image]
[Text 'sahara 919 n. stone', Text in the Image, is on, Sign, General Objects]

Step 4
(1) Node with max degree: Building.
(2) Location of Building: [Spanning the entire background of the canvas].
(3) Location of Sign: [Centered on the front of the Building].
Location of Text 'sahara 919 n. stone': [Centered within the Sign].

Step 5
Bounding Boxes of the Objects:
Building, General Objects: [0.000, 0.000, 1.000, 1.000] - The building occupies the entire background.
Sign, General Objects: [0.400, 0.300, 0.600, 0.400] - The sign is centered on the building.
Text 'sahara 919 n. stone', Text in the Image: [0.410, 0.310, 0.590, 0.390] - The text is centered within the sign.

Step 6
{"Building": {"phrase": "Building","coordinates": [0.000, 0.000, 1.000, 1.000]},
"Sign": {"phrase": "Sign","coordinates": [0.400, 0.300, 0.600, 0.400]},
"Sahara 919 N. Stone": {"phrase": "Text 'sahara 919 n. stone'","coordinates": [0.410, 0.310, 0.590, 0.390]}}