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 ":".
In
July
2012
,
the
UK
Government
announced
that
the
south
Wales
commuter
lines
would
be
electrified
.
In:O
July:O
2012:O
,:O
the:O
UK:location-GPE
Government:O
announced:O
that:O
the:O
south:O
Wales:location-GPE
commuter:O
lines:O
would:O
be:O
electrified:O
.:O