With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
After
the
condensed
material
accretes
to
planetesimals
of
sufficient
size
melting
and
differentiation
take
place
.
After:O
the:O
condensed:O
material:O
accretes:O
to:O
planetesimals:O
of:O
sufficient:O
size:O
melting:O
and:O
differentiation:O
take:O
place:O
.:O