Step 1
Objects: Storefront, Text of 'Google Brain Toronto'

Step 2
General Objects: Storefront
Text in the Image: Text of 'Google Brain Toronto'
Objects that specifically refer to the Proper Noun of the Real World: N/A

Step 3
triplets: [Storefront, General Objects, has, Text of 'Google Brain Toronto', Text in the Image]

Step 4
(1) Node with max degree: Storefront.
(2) Location of Storefront: [Center of the canvas].
(3) Location of 'Google Brain Toronto' Text: [Center of the Storefront, prominently displayed].

Step 5
Bounding Boxes of the Objects:
Storefront, General Objects: [0.100, 0.100, 0.900, 0.900] - The storefront occupies a central, large portion of the image.
'Google Brain Toronto' Text, Text in the Image: [0.300, 0.400, 0.700, 0.500] - The text is centrally placed on the storefront.

Step 6
{"Storefront": {"phrase": "Storefront","coordinates": [0.100, 0.100, 0.900, 0.900]},"Google Brain Toronto": {"phrase": "'Google Brain Toronto' Text","coordinates": [0.300, 0.400, 0.700, 0.500]}}