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 ":".
The
choir
was
first
called
``
America
's
Choir
''
by
U.S
.
President
Ronald
Reagan
.
The:O
choir:O
was:O
first:O
called:O
``:O
America:location-GPE
's:O
Choir:O
'':O
by:O
U.S:location-GPE
.:O
President:O
Ronald:person-politician
Reagan:person-politician
.:O