Assertion: kingdom | /r/HasProperty | expanded into five kingdoms
Facets:
value: early in the past century
type: TEMPORAL
Source sentences:
text: It became very difficult to group some living things into one or the other, so early in the past century the two kingdoms were expanded into five kingdoms: Protista (the single-celled eukaryotes); Fungi (fungus and related organisms); Plantae (the plants); Animalia (the animals); Monera (the prokaryotes).