A Transformer-based language model is given the prompt 'The quick brown fox' and begins generating a continuation. It has already produced the tokens 'jumps', 'over'. The model is now at the step of generating the next token after 'over'. During the self-attention calculation at this specific step, which set of tokens provides the source for the keys and values that the current token's query will attend to?

A Transformer decoder is at the N-th step of generating an output sequence, having already processed an initial prompt and the first N-1 output tokens. Arrange the following key operations that occur during this specific N-th step in the correct chronological order.

Contextual Attention in Sentence Completion