With no explanation, label each line with "O", "building-airport", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-hospital" or "building-hotel" preceded by ":".
The
nearest
airport
is
Pantnagar
Airport
at
a
distance
of
28
km
.
The:O
nearest:O
airport:O
is:O
Pantnagar:building-airport
Airport:building-airport
at:O
a:O
distance:O
of:O
28:O
km:O
.:O