With no explanation, label each line with "product-game", "O", "product-software", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Football
Manager
2014
Steam
Workshop
is
like
a
social
site
of
the
people
who
play
Football
Manager
2014
.
Football:product-software
Manager:product-software
2014:product-software
Steam:product-software
Workshop:product-software
is:O
like:O
a:O
social:O
site:O
of:O
the:O
people:O
who:O
play:O
Football:product-game
Manager:product-game
2014:product-game
.:O