rs are
concatenated to give the input to the language model.   language_model (GPT2Model) —
An auto-regressive language model used to generate a sequence of hidden-states conditioned on the projected
outputs from the two text encoders.   tokenizer (RobertaTokenizer) —
Tokenizer to tokenize text for the first frozen text-encoder.   tokenizer_2 (T5Tokenizer) —
Tokenizer to tokenize text for the second frozen text-encoder.   feature_extractor (Cla