With no explanation, label each line with "location-GPE", "O", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
When
Humphrey
II
of
Toron
was
besieged
in
the
city
of
Banyas
in
1157
,
King
Baldwin
III
of
Jerusalem
was
able
to
break
the
siege
,
only
to
be
ambushed
at
Jacob
's
Ford
in
June
of
that
year
.
When:O
Humphrey:person-politician
II:person-politician
of:O
Toron:location-GPE
was:O
besieged:O
in:O
the:O
city:O
of:O
Banyas:location-GPE
in:O
1157:O
,:O
King:O
Baldwin:person-politician
III:person-politician
of:O
Jerusalem:location-GPE
was:O
able:O
to:O
break:O
the:O
siege:O
,:O
only:O
to:O
be:O
ambushed:O
at:O
Jacob:location-GPE
's:location-GPE
Ford:location-GPE
in:O
June:O
of:O
that:O
year:O
.:O