. . . . "LUs in this frame denote a period of time in which an Enabled_action becomes possible. The Duration of this time period can be both exact and inexact. An Agent who performs the Enabled_action may be mentioned as well. Allow a three-day window for delivery. DNI"@en . . "Time_period_of_action" . . . . . . . . . . "2010-05-11T11:37:35+02:00"^^ . . "2290"^^ . . .