[{"Bold_text": "adjective", "List Items": ["happening every two years:biennial games.", "lasting or enduring for two years:a biennial life cycle.", "Botany.completing its normal term of life in two years, flowering and fruiting the second year, as beets or winter wheat."]}, {"Bold_text": "noun", "List Items": ["any event occurring once in two years.", "Botany.a biennial plant."]}, {"Bold_text": "Adjective", "List Items": null}, {"Bold_text": "Noun", "List Items": null}]