( ( If ( ( transported ( ozone concentrations ) ) ( have ( moved far ) ) ) ) ( , ( they ( ( ( are not ) high ) . ) ) ) )
(ROOT (S (SBAR (IN If) (S (NP (JJ transported) (NN ozone) (NNS concentrations)) (VP (VBP have) (VP (VBN moved) (ADVP (RB far)))))) (, ,) (NP (PRP they)) (VP (VBP are) (RB not) (ADJP (JJ high))) (. .)))
If transported ozone concentrations have moved far, they are not high.
(ROOT (S (NP (NNP Passive) (NN transport)) (VP (VP (VBZ requires) (NP (DT no) (NN energy))) (CC and) (VP (VBZ occurs) (SBAR (WHADVP (WRB when)) (S (NP (NNS substances)) (VP (VBP move) (PP (IN from) (NP (NP (NNS areas)) (PP (IN of) (NP (NP (JJR higher)) (PP (TO to) (NP (JJR lower) (NN concentration)))))))))))) (. .)))