With no explanation, label each line with "O", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
By
the
end
of
the
1970s
Amtr
ak
abandoned
the
E60
in
favor
of
EMD
AEM-7
locomotives
manufactured
by
Electro-Motive
Division
.
By:O
the:O
end:O
of:O
the:O
1970s:O
Amtr:organization-company
ak:O
abandoned:O
the:O
E60:O
in:O
favor:O
of:O
EMD:O
AEM-7:O
locomotives:O
manufactured:O
by:O
Electro-Motive:organization-company
Division:organization-company
.:O