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
building
known
as
the
birthplace
of
40th
U.S
.
President
,
Ronald
Reagan
,
was
constructed
in
1896
for
G.W
.
The:O
building:O
known:O
as:O
the:O
birthplace:O
of:O
40th:O
U.S:location-GPE
.:location-GPE
President:O
,:O
Ronald:person-politician
Reagan:person-politician
,:O
was:O
constructed:O
in:O
1896:O
for:O
G.W:O
.:O