see: http://aclweb.org/anthology/D17-1255
python train.py --gpu 0 --epoch 50to train without RbF
python train.py --gpu 0 --epoch 50 --no-rbfsee: http://aclweb.org/anthology/D17-1255
python train.py --gpu 0 --epoch 50to train without RbF
python train.py --gpu 0 --epoch 50 --no-rbf