Keyword and question selection is an internal volume caution.

On the selection of "Keyword-Question Pairs"

The situation is an S-dimensional vector

One S dimension key is determined for each pair of keywords and questions.

Because that's the object of choice.

Just multiply this inner product by Softmax and choose

[Selection from an indefinite-length object

Concerned that the number of keywords to take depends on the question.

One S-dimensional vector per object of choice is all that is needed.

The function that generates the vector may be different for each question that takes 0, 1, or 2 keywords

https://gyazo.com/5f6df8a258cda4ba2954003d5bf2d58d

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