"LM" . . "The time-expression that is used to establish when the Trajector_event occurred. This FE, when present, always occurs on the second layer. Turn in your expense reports next April . This FE is not to be used when the relationship between a time expression and an event is overtly expressed by a target of the Temporal_collocation frame, as in the following, which differs from the preceding sentence only in the use of by: Turn in your expense reports by next April ."@en . . . . "Landmark_period" . . . "16790"^^ . "2016-02-23T13:41:31+01:00"^^ . .