Roleset id: impound.01 , to hold or confine, Source: , vncls: , framnet: impound.01: IMPOUND-V NOTES: Frames file for 'impound' based on survey of sentences in the WSJ corpus. (from impound.01-v predicate notes)
Arg0-PAG: holder, agent (vnrole: 16-agent)
Arg1-PPT: entity impounded (vnrole: 16-patient)
person: ns,  tense: present,  aspect: perfect,  voice: passive,  form: participle
[More than 300 planes and helicopters]-1 have been impounded [*-1]at airports , and a large number of vehicles and launches has been confiscated [*-2] .
Argm-loc: at airports