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 ":".
Its
main
focus
is
investment
and
speculation
,
particularly
in
public
company
stocks
.
Its:O
main:O
focus:O
is:O
investment:O
and:O
speculation:O
,:O
particularly:O
in:O
public:O
company:O
stocks:O
.:O