{'heritage railway line': [0, 0, 0, 1], 'unesco': [2, 0, 3, 4], 'allahabad': [2, 0, 0, 3], 'mumbai': [1, 0, 1, 0], 'darjeeling': [3, 0, 0, 5], 'sitiguri': [0, 0, 0, 1], 'stations': [0, 0, 1, 3], 'ludhiana': [0, 0, 1, 4], 'varanasi': [0, 0, 0, 1]}