{'methaqualone': [0, 0, 0, 1], 'malarial infection': [0, 0, 0, 1], 'compound': [0, 0, 1, 1], 'psychotropic substance': [0, 0, 0, 1], 'cut sugarcane': [0, 0, 0, 1], 'depressant': [0, 0, 0, 1], 'prevention': [0, 0, 1, 0], 'vaccination': [1, 0, 2, 1], 'health': [5, 0, 4, 18], 'health research': [0, 0, 0, 1], 'death': [5, 3, 6, 7], 'marine oil spills': [0, 0, 0, 1]}