( ( gravity ( of ( ( ( ( ( ( the ( ( moon and ) sun ) ) -LRB- ) ( the tides ) ) -RRB- ) and ) 2 ) ) ) . )
(ROOT (NP (NP (NN gravity)) (PP (IN of) (NP (NP (NP (DT the) (NN moon) (CC and) (NN sun)) (-LRB- -LRB-) (NP (DT the) (NNS tides)) (-RRB- -RRB-)) (CC and) (NP (CD 2)))) (. .)))
gravity of the moon and sun (the tides) and 2.
(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)))))) (. .)))