preferred_name: Drift; leg falls by the end of the 5-second period but does not hit bed
preferred_name_lc: drift; leg falls by the end of the 5-second period but does not hit bed
label: Drift; leg falls by the end of the 5-second period but does not hit bed
label_lc: drift; leg falls by the end of the 5-second period but does not hit bed