Table 3. Hyperparameter settings.

Parameter	Settings
Learning rate	0.001
Epochs	500
Optimizer	Adam
Embedding layer neurons	21
Embedding layer output dimension	21 × 19 = 399
Output layer neurons	2
LSTM Branch
LSTM layers neurons	64
Dropout layers drop rate	0.5
Fully connected layer neurons	32
CNN Branch
CNN layers neurons	64
CNN layers activation function	Rectified linear units
Dropout layers drop rate	0.5
Fully connected layer neurons	32