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 ":".
Because
the
equator
is
further
from
the
center
of
the
star
,
it
will
appear
cooler
than
the
poles
,
an
effect
called
gravity
darkening
.
Because:O
the:O
equator:O
is:O
further:O
from:O
the:O
center:O
of:O
the:O
star:O
,:O
it:O
will:O
appear:O
cooler:O
than:O
the:O
poles:O
,:O
an:O
effect:O
called:O
gravity:O
darkening:O
.:O