With no explanation, label each line with "O", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
For
domestic
flights
,
a
helicopter
is
chartered
from
Hi-Jet
Helicopter
Services
.
For:O
domestic:O
flights:O
,:O
a:O
helicopter:O
is:O
chartered:O
from:O
Hi-Jet:organization-company
Helicopter:organization-company
Services:organization-company
.:O