{ 'regressor_layers': 1, 'embedding_size': 300, 'num_train_steps': 4000, 'attn_layers': 1, 'attn_importance_strategy': 'average', 'encoder_units': 64, 'learning_rate': 0.001, 'encoder_layers': 2, 'batch_size': 256, 'regressor_units': 64, 'classifier_layers': 3, 'classifier_units': 64, 'gradient_clip': 5.0, 'dropout': 0.4, 'use_glove': False, 'attn_units': 64, }