( ( Some ( of ( the units ) ) ) ( ( have ( ( ( ( a ( small peek ) ) ( at ( the ocean ) ) ) or ) ( views ( of ( the ( coastal mountains ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT Some)) (PP (IN of) (NP (DT the) (NNS units)))) (VP (VBP have) (NP (NP (NP (DT a) (JJ small) (NN peek)) (PP (IN at) (NP (DT the) (NN ocean)))) (CC or) (NP (NP (NNS views)) (PP (IN of) (NP (DT the) (JJ coastal) (NNS mountains)))))) (. .)))
Some of the units have a small peek at the ocean or views of the coastal mountains.
(ROOT (S (NP (NNS Scientists)) (VP (VBP know) (SBAR (IN that) (S (NP (DT some) (NNS mountains)) (VP (VBD were) (ADVP (RB once)) (PP (IN at) (NP (NP (DT the) (NN bottom)) (PP (IN of) (NP (DT an) (NN ocean))))) (SBAR (IN because) (S (NP (JJ marine) (NNS fossils)) (VP (VBP have) (VP (VBN been) (VP (VBN found) (PP (IN on) (NP (NP (DT the) (NNS peaks)) (PP (IN of) (NP (DT some) (NNS mountains)))))))))))))) (. .)))