{'blue ice': [0, 0, 0, 1], 'frozen sewage material': [0, 0, 0, 1], 'ice': [0, 0, 1, 0], 'mars': [1, 1, 1, 1], 'ice sheet': [0, 0, 0, 1], 'arctic': [3, 0, 1, 2], 'troposphere': [6, 1, 1, 1], 'winters': [2, 0, 1, 3], 'commercial aircraft lavatory waste systems': [0, 0, 0, 1]}