Unable to add additional choices to VisualBertForMultipleChoice,

[epguo]

Finally figured out the solution after referencing this post:

Strange error when using the Longformer (HuggingFace developers, please reply)

Hello, I am trying to use LongformerForMultipleChoice model, and the code I am using is the following: # import the pre-trained HuggingFace Longformer tokenizer. longformer_tokenizer = LongformerTokenizer.from_pretrained('allenai/longformer-base-4096') # get the pre-trained HuggingFace Longformer best_model_longformer = LongformerForMultipleChoice.from_pretrained('allenai/longformer-base-4096', output_hidden_states = True) # my multipl…

Feeling a bit silly that the issue was simply tokenizer(questions, choices) instead of tokenizer([questions, choices]) as I had been trying!

This was especially confusing since the example given on the VisualBert page follows the tokenizer([questions, choices]) format.

Can someone explain why this issue arose and why our inputs should not be in a list of lists for multiple choice?