With no explanation, label each line with "location-GPE", "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Andrew
attended
at
the
wedding
of
Bohemond
and
Hugh
's
half-sister
Melisende
in
Tripoli
.
Andrew:person-other
attended:O
at:O
the:O
wedding:O
of:O
Bohemond:person-other
and:O
Hugh:person-other
's:O
half-sister:O
Melisende:person-other
in:O
Tripoli:location-GPE
.:O