With no explanation, label each line with "O", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
President
Lyndon
B.
Johnson
signed
the
1966
legislation
to
create
the
park
.
President:O
Lyndon:person-politician
B.:person-politician
Johnson:person-politician
signed:O
the:O
1966:O
legislation:O
to:O
create:O
the:O
park:O
.:O