( ( THE MOON ) ( ( ( causes ( two ( high ( and ( two ( low tides ) ) ) ) ) ) ( to ( occur ( each day ) ) ) ) . ) )
(ROOT (S (NP (DT THE) (NN MOON)) (VP (VBZ causes) (NP (CD two) (JJ high) (CC and) (CD two) (JJ low) (NNS tides)) (S (VP (TO to) (VP (VB occur) (NP (DT each) (NN day)))))) (. .)))
THE MOON causes two high and two low tides to occur each day.
(ROOT (S (NP (NP (CD Two) (NN low)) (CC and) (NP (JJ high) (NNS tides))) (VP (VBP occur) (PP (IN per) (NP (NN day)))) (. .)))