With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
5–1,7-5
and
5–2
,
for
the
4th
in
five
years
.
5–1,7-5:O
and:O
5–2:O
,:O
for:O
the:O
4th:O
in:O
five:O
years:O
.:O