Question 1: Short answer
easyAI-checkedNLP TasksAn NER dataset has 4 entity types (PER, ORG, LOC, MISC). A BIO tagger then needs output labels, and a BIOES tagger (adding E for the last token of a span and S for a single-token span) needs .
Fill in every blank (hints in the boxes). Enter moves to the next blank.