With no explanation, label each line with "location-GPE", "O", "person-scholar", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
In
the
1970s
,
the
Bulgarian
-born
psychologist
and
educator
,
Georgi
Lozanov
proposed
the
teaching
method
of
suggestopedia
believing
``
that
we
might
be
using
only
five
to
ten
percent
of
our
mental
capacity
''
.
In:O
the:O
1970s:O
,:O
the:O
Bulgarian:location-GPE
-born:O
psychologist:O
and:O
educator:O
,:O
Georgi:person-scholar
Lozanov:person-scholar
proposed:O
the:O
teaching:O
method:O
of:O
suggestopedia:O
believing:O
``:O
that:O
we:O
might:O
be:O
using:O
only:O
five:O
to:O
ten:O
percent:O
of:O
our:O
mental:O
capacity:O
'':O
.:O