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 ":".
In
1170
a
fortress
was
built
at
Gaza
by
the
Knights
Templar
,
to
defend
against
attacks
from
Egypt
.
In:O
1170:O
a:O
fortress:O
was:O
built:O
at:O
Gaza:location-GPE
by:O
the:O
Knights:O
Templar:O
,:O
to:O
defend:O
against:O
attacks:O
from:O
Egypt:location-GPE
.:O