With no explanation, label each line with "O", "other-biologything", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Little
is
known
about
the
role
plant
Epsin
plays
in
clathrin
coated
vesicle
formation
.
Little:O
is:O
known:O
about:O
the:O
role:O
plant:O
Epsin:other-biologything
plays:O
in:O
clathrin:other-biologything
coated:O
vesicle:O
formation:O
.:O