With no explanation, label each line with "O", "other-astronomything", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
discovery
of
the
near-
Earth
asteroid
433
Eros
and
its
passage
near
Earth
in
1900–1901
allowed
a
considerable
improvement
in
parallax
measurement
.
The:O
discovery:O
of:O
the:O
near-:O
Earth:other-astronomything
asteroid:O
433:other-astronomything
Eros:other-astronomything
and:O
its:O
passage:O
near:O
Earth:other-astronomything
in:O
1900–1901:O
allowed:O
a:O
considerable:O
improvement:O
in:O
parallax:O
measurement:O
.:O