With no explanation, label each line with "O", "location-bodiesofwater", "location-mountain", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Unlike
the
deeper
Shark
River
Slough
,
Shark
Valley
does
not
contain
standing
water
year-round
.
Unlike:O
the:O
deeper:O
Shark:location-bodiesofwater
River:location-bodiesofwater
Slough:location-bodiesofwater
,:O
Shark:location-mountain
Valley:location-mountain
does:O
not:O
contain:O
standing:O
water:O
year-round:O
.:O