Environmentalists say HFO produces higher emissions of harmful pollutants, including sulphur oxide, nitrogen oxides, and black carbon. Please make sure your browser supports JavaScript and cookies and that you are not blocking them from loading. Editing by Bernadette BaumOur Standards: The Thomson Reuters Trust Principles. Accidents are a huge issue. And that, to me as a security person, spells trouble.
The issue is namely four  words.
( z0 issue :ARG1-of ( z1 mean :ARG2 ( z2 word :quant 4 ) ) )
(z0 / issue-02
    :ARG1-of (z1 / mean-01
                 :ARG2 (z2 / word
                           :quant 4)))
The issue is namely four words .
z0 :ARG1-of z1
z2 :quant 0
z1 :ARG2 z2