Depending on the interpretation type of the omission, Chinese FrameNet divides the NIs into two categories: 1) Indefinite Null Instantiations (INIs), the missing element which can be understood given interpretational conventions and do not need resolution, and 2) Definite Null Instantiations (DNIs), the missing element which is something that can be understood in the linguistic or discourse context, and the fillers need to be inferred from the context through resolutions.
in example (1), lexical unit (or target) launched/u evokes the semantic frame Cause_motion, which has nine core FEs, namely Agent, Theme, Source, Path, Goal, Area, Cause, Result, Initial_State, but only one of them is instantiated, i.e.