With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Oerol
takes
its
name
from
an
old
Terschelling
tradition
,
when
for
a
short
time
in
early
spring
cattle
were
allowed
to
roam
freely
on
the
island
,
grazing
on
any
and
all
available
greenery
.
Oerol:O
takes:O
its:O
name:O
from:O
an:O
old:O
Terschelling:location-GPE
tradition:O
,:O
when:O
for:O
a:O
short:O
time:O
in:O
early:O
spring:O
cattle:O
were:O
allowed:O
to:O
roam:O
freely:O
on:O
the:O
island:O
,:O
grazing:O
on:O
any:O
and:O
all:O
available:O
greenery:O
.:O