( There ( ( are ( ( ( two low ) and ) ( ( two ( high tides ) ) ( per day ) ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBP are) (NP (NP (CD two) (NN low)) (CC and) (NP (NP (CD two) (JJ high) (NNS tides)) (PP (IN per) (NP (NN day)))))) (. .)))
There are two low and two high tides per 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)))) (. .)))