( ( 4.1.5 ( ( Chinook or ) ( Foehn Wind ) ) ) . )
(ROOT (NP (NP (CD 4.1.5)) (NP (NP (NNP Chinook)) (CC or) (NP (NNP Foehn) (NNP Wind))) (. .)))
4.1.5 Chinook or Foehn Wind .
(ROOT (S (NP (NN Chinook) (NNS winds)) (VP (VBP occur) (SBAR (WHADVP (WRB when)) (S (NP (NN air)) (VP (VBZ is) (VP (VBN forced) (PP (IN over) (NP (DT a) (NN mountain) (NN range)))))))) (. .)))