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 ":".
GO
Transit
has
performed
a
study
on
electrification
of
their
current
diesel
operations
.
GO:organization-company
Transit:organization-company
has:O
performed:O
a:O
study:O
on:O
electrification:O
of:O
their:O
current:O
diesel:O
operations:O
.:O