With no explanation, label each line with "O", "product-food", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Pyrus
pyraster
(
syn
.
Pyrus:product-food
pyraster:product-food
(:O
syn:O
.:O