With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
brothers
had
personal
connections
with
influential
members
of
the
government
,
so
in
1884
they
bought
the
Kosaka
mine
,
from
which
they
expanded
their
business
into
various
fields
,
centered
on
the
coal
mining
business
.
The:O
brothers:O
had:O
personal:O
connections:O
with:O
influential:O
members:O
of:O
the:O
government:O
,:O
so:O
in:O
1884:O
they:O
bought:O
the:O
Kosaka:location-GPE
mine:O
,:O
from:O
which:O
they:O
expanded:O
their:O
business:O
into:O
various:O
fields:O
,:O
centered:O
on:O
the:O
coal:O
mining:O
business:O
.:O