( ( For example ) ( , ( ( when ( ( ( ( ( ( ( the Sun ) , ) Moon ) , ) and ) Earth ) ( are ( in alignment ) ) ) ) ( , ( ( the tides ) ( ( are ( ( ( extra high ) and ) ( are ( called ( spring tides ) ) ) ) ) . ) ) ) ) ) )
(ROOT (S (PP (IN For) (NP (NN example))) (, ,) (SBAR (WHADVP (WRB when)) (S (NP (NP (DT the) (NNP Sun)) (, ,) (NP (NNP Moon)) (, ,) (CC and) (NP (NNP Earth))) (VP (VBP are) (PP (IN in) (NP (NN alignment)))))) (, ,) (NP (DT the) (NNS tides)) (VP (VBP are) (UCP (ADJP (JJ extra) (JJ high)) (CC and) (VP (VBP are) (VP (VBN called) (NP (NN spring) (NNS tides)))))) (. .)))
For example, when the Sun, Moon, and Earth are in alignment, the tides are extra high and are called spring tides.
(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)))))) (. .)))