For multichoice and fill in the blanks you’ll find information about which answer the user chose. We’ll add support for this for more question types as we move forward.
xAPI documentation for the mentioned content types:
Fill in:
https://h5p.org/node/3426
Multichoice:
https://h5p.org/node/3428
How you may listen for xAPI events from H5P:
https://h5p.org/documentation/x-api