With no explanation, label each line with "O", "other-chemicalthing", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
An
example
of
this
is
the
CHARMM
19
force-field
.
An:O
example:O
of:O
this:O
is:O
the:O
CHARMM:other-chemicalthing
19:other-chemicalthing
force-field:other-chemicalthing
.:O