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 ":".
Collagen
consists
of
both
3‐hydroxyproline
and
4‐hydroxyproline
residues
.
Collagen:other-biologything
consists:O
of:O
both:O
3‐hydroxyproline:other-biologything
and:O
4‐hydroxyproline:other-biologything
residues:O
.:O