{'mules': [0, 0, 0, 1], 'mule': [1, 0, 0, 3], 'female donkey': [0, 0, 0, 2], 'donkey': [1, 0, 0, 0], 'donkeys': [0, 0, 0, 1], 'male horse': [0, 0, 0, 1], 'horses': [1, 1, 2, 3], 'horse': [4, 1, 0, 8], 'evolutionary point': [0, 0, 5, 2], 'hybrid': [2, 0, 0, 2]}