With no explanation, label each line with "O", "other-astronomything", "organization-education", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
A
year
before
the
approach
,
MIT
students
launched
Project
Icarus
,
devising
a
plan
to
deflect
the
asteroid
with
rockets
in
case
it
was
found
to
be
on
a
collision
course
with
Earth
.
A:O
year:O
before:O
the:O
approach:O
,:O
MIT:organization-education
students:O
launched:O
Project:O
Icarus:other-astronomything
,:O
devising:O
a:O
plan:O
to:O
deflect:O
the:O
asteroid:O
with:O
rockets:O
in:O
case:O
it:O
was:O
found:O
to:O
be:O
on:O
a:O
collision:O
course:O
with:O
Earth:O
.:O