Step 1
Objects: Elephant, Road, Green Car

Step 2
General Objects: Elephant, Road, Green Car
Text in the Image: N/A
Objects that specifically refer to the Proper Noun of the Real World: N/A

Step 3
triplets: [Elephant, General Objects, is crossing, Road, General Objects][Green Car, General Objects, is parked on, Road, General Objects][Road, General Objects, is crossed by, Elephant, General Objects][Road, General Objects, has, Green Car, General Objects]

Step 4
(1) Node with max degree: Road. 
(2) Location of Road: [Spanning horizontally across the middle of the canvas].
(3) Location of Elephant and Green Car: Elephant: [Crossing the road, positioned slightly towards the left-center of the canvas]; Green Car: [Parked on the right side of the road].

Step 5
Bounding Boxes of the Objects:
Elephant, General Objects: [0.200, 0.300, 0.600, 0.800] - The elephant is crossing the road, positioned towards the left-center.
Green Car, General Objects: [0.650, 0.350, 0.950, 0.650] - The car is parked on the right side of the road.
Road, General Objects: [0.000, 0.250, 1.000, 0.750] - The road spans horizontally across the middle of the canvas.

Step 6
{"Elephant": {"phrase": "Elephant","coordinates": [0.200, 0.300, 0.600, 0.800]},
"Green Car": {"phrase": "Green Car","coordinates": [0.650, 0.350, 0.950, 0.650]},
"Road": {"phrase": "Road","coordinates": [0.000, 0.250, 1.000, 0.750]}}