{ 'regressor_layers': 3, 'embedding_size': 100, 'num_train_steps': 5000, 'attn_layers': 2, 'attn_importance_strategy': 'mean', 'encoder_units': 50, 'learning_rate': 0.003, 'encoder_layers': 1, 'batch_size': 128, 'regressor_units': 100, 'classifier_layers': 1, 'classifier_units': 128, 'gradient_clip': 5.0, 'dropout': 0.4, 'use_glove': True, 'attn_units': 512, }