{'sun': [3, 0, 0, 6], 'sunlight': [0, 0, 1, 0], 'dust particles': [0, 1, 1, 1], 'conditions': [0, 0, 0, 1], 'rays': [0, 0, 1, 0], 'greater distance': [0, 0, 1, 2], 'water vapour': [0, 0, 1, 2], 'energy': [0, 0, 1, 2], 'duration': [0, 0, 1, 0], 'phenomenon': [3, 4, 7, 15]}