With no explanation, label each line with "O", "person-artist/author", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
From
the
start
of
his
artistic
career
,
Van
Gheluwe
focusses
on
the
workings
of
light
.
From:O
the:O
start:O
of:O
his:O
artistic:O
career:O
,:O
Van:person-artist/author
Gheluwe:person-artist/author
focusses:O
on:O
the:O
workings:O
of:O
light:O
.:O