( Tides ( ( caused ( by ( the ( ( Sun and ) Moon ) ) ) ) . ) )
(ROOT (S (NP (NNS Tides)) (VP (VBD caused) (PP (IN by) (NP (DT the) (NNP Sun) (CC and) (NNP Moon)))) (. .)))
Tides caused by the Sun and Moon.
(ROOT (S (NP (NNP Spring) (NNS tides)) (VP (VBP are) (VP (VBN created) (SBAR (WHADVP (WRB when)) (S (NP (NP (DT the) (NN sun)) (CC and) (NP (NP (NN moon) (POS 's)) (NNS tides))) (VP (VBP match)))))) (. .)))