Step 1
Objects: Yellow Dog, White Cat, Garden

Step 2
General Objects: Yellow Dog, White Cat, Garden
Text in the Image: N/A
Objects that specifically refer to the Proper Noun of the Real World: N/A

Step 3
triplets: [Yellow Dog, General Objects, is in, Garden, General Objects]
          [White Cat, General Objects, is in, Garden, General Objects]
          [Yellow Dog, General Objects, is near, White Cat, General Objects]
          [White Cat, General Objects, is near, Yellow Dog, General Objects]

Step 4
(1) Node with max degree: Garden.
(2) Location of Garden: [Spanning the entire lower part of the canvas].
(3) Location of Yellow Dog and White Cat: Yellow Dog: [Lower left of the canvas]; White Cat: [Lower right of the canvas].

Step 5
Bounding Boxes of the Objects:
Yellow Dog, General Objects: [0.100, 0.550, 0.300, 0.850] - Located towards the lower left part of the canvas.
White Cat, General Objects: [0.700, 0.550, 0.900, 0.850] - Located towards the lower right part of the canvas.
Garden, General Objects: [0.000, 0.500, 1.000, 1.000] - The garden spans the entire lower portion of the canvas.

Step 6
{"Yellow Dog": {"phrase": "Yellow Dog","coordinates": [0.100, 0.550, 0.300, 0.850]},
 "White Cat": {"phrase": "White Cat","coordinates": [0.700, 0.550, 0.900, 0.850]},
 "Garden": {"phrase": "Garden","coordinates": [0.000, 0.500, 1.000, 1.000]}}