With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
Several
types
of
locomotives
that
were
acquired
later
were
given
variations
on
Phase
III
.
Several:O
types:O
of:O
locomotives:O
that:O
were:O
acquired:O
later:O
were:O
given:O
variations:O
on:O
Phase:O
III:O
.:O