before_sent:  Our model comprises of 4 components including two single-modal encoders, a cross encoder  and a decoder with the Transformer backbone.
before_sent_with_intent: <fluency>  Our model comprises of 4 components including two single-modal encoders, a cross encoder  and a decoder with the Transformer backbone.
after_sent:  Our model comprises of 4 components including two single-modal encoders, a cross encoder , and a decoder with the Transformer backbone.