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 ":".
The
Heimdal
field
is
operated
by
Equinor
.
The:O
Heimdal:O
field:O
is:O
operated:O
by:O
Equinor:organization-company
.:O