http://premon.fbk.eu/resource/vn33-ensure-99_frame_2 an entity of type: VerbNetFrame

8.1 
NP V NP NP 
NP-NP 
cause(Precondition, E) ensure(Theme, Beneficiary) 
Precondition V Beneficiary Theme [-sentential] 
0.2 

data from the linked data cloud