With no explanation, label each line with "other-livingthing", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
These
cyclical
stratagraphic
events
sequences
are
preserved
in
the
rock
record
and
are
often
called
cyclothems
.
These:O
cyclical:O
stratagraphic:O
events:O
sequences:O
are:O
preserved:O
in:O
the:O
rock:O
record:O
and:O
are:O
often:O
called:O
cyclothems:other-livingthing
.:O