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 ":".
Although
the
mangonel
required
more
men
to
function
,
it
was
also
less
complex
and
faster
to
reload
than
the
torsion-powered
ballista
and
onager
which
it
replaced
in
early
Medieval
Europe
.
Although:O
the:O
mangonel:O
required:O
more:O
men:O
to:O
function:O
,:O
it:O
was:O
also:O
less:O
complex:O
and:O
faster:O
to:O
reload:O
than:O
the:O
torsion-powered:O
ballista:O
and:O
onager:O
which:O
it:O
replaced:O
in:O
early:O
Medieval:O
Europe:location-GPE
.:O