With no explanation, label each line with "O", "event-protest", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
They
organized
the
first
Reclaim
the
Night
march
in
1977
to
challenge
the
idea
that
women
should
stay
inside
after
dark
in
order
to
avoid
rape
and
assault
.
They:O
organized:O
the:event-protest
first:event-protest
Reclaim:event-protest
the:event-protest
Night:event-protest
march:event-protest
in:event-protest
1977:event-protest
to:O
challenge:O
the:O
idea:O
that:O
women:O
should:O
stay:O
inside:O
after:O
dark:O
in:O
order:O
to:O
avoid:O
rape:O
and:O
assault:O
.:O