With no explanation, label each line with "location-GPE", "O", "building-airport", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-hospital" preceded by ":".
Birsa
Munda
Airport
(
)
at
Ranchi
is
the
nearest
Airport
.
Birsa:building-airport
Munda:building-airport
Airport:building-airport
(:O
):O
at:O
Ranchi:location-GPE
is:O
the:O
nearest:O
Airport:O
.:O