With no explanation, label each line with "organization-media/newspaper", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
``
Journal
of
Chemical
Ecology
``
``
'
2
(
2
)
''
:
115-
130
.
``:O
Journal:organization-media/newspaper
of:organization-media/newspaper
Chemical:organization-media/newspaper
Ecology:organization-media/newspaper
``:O
``:O
':O
2:O
(:O
2:O
):O
'':O
::O
115-:O
130:O
.:O