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 ":".
McIntosh
then
invested
in
land
and
became
a
developer
in
the
Mile
End
district
of
east
London
.
McIntosh:person-other
then:O
invested:O
in:O
land:O
and:O
became:O
a:O
developer:O
in:O
the:O
Mile:location-GPE
End:location-GPE
district:O
of:O
east:O
London:location-GPE
.:O