With no explanation, label each line with "O", "person-actor", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Eero
Milonoff
,
Joonas
Saartamo
,
Mikko
Leppilampi
and
Mikko
Kouki
play
supporting
roles
.
Eero:person-actor
Milonoff:person-actor
,:O
Joonas:person-actor
Saartamo:person-actor
,:O
Mikko:person-actor
Leppilampi:person-actor
and:O
Mikko:person-actor
Kouki:person-actor
play:O
supporting:O
roles:O
.:O