Step 1
Objects: Person, Coin, Text 'Letzebuerg'

Step 2
General Objects: Person, Coin
Text in the Image: Text 'Letzebuerg'
Objects that specifically refer to the Proper Noun of the Real World: N/A

Step 3
triplets: [Person, General Objects, is holding, Coin, General Objects]
[Coin, General Objects, has, Text 'Letzebuerg', Text in the Image]
[Text 'Letzebuerg', Text in the Image, is on, Coin, General Objects]

Step 4
(1) Node with max degree: Coin.
(2) Location of Coin: [Center of the canvas].
(3) Location of Person, Text 'Letzebuerg': 
Person: [Behind and slightly to the left of the Coin, showing the act of holding it].
Text 'Letzebuerg': [On the surface of the Coin, centrally positioned].

Step 5
Bounding Boxes of the Objects:
Person, General Objects: [0.100, 0.100, 0.600, 0.900] - The person is positioned behind the coin, occupying a significant part of the canvas.
Coin, General Objects: [0.400, 0.400, 0.600, 0.600] - The coin is centrally located in the canvas.
Text 'Letzebuerg', Text in the Image: [0.410, 0.490, 0.590, 0.510] - The text is on the coin, covering a small central area.

Step 6
{"Person": {"phrase": "Person","coordinates": [0.100, 0.100, 0.600, 0.900]},
 "Coin": {"phrase": "Coin","coordinates": [0.400, 0.400, 0.600, 0.600]},
 "Letzebuerg": {"phrase": "Text 'Letzebuerg'","coordinates": [0.410, 0.490, 0.590, 0.510]}}