( ( ( The amount ) ( of time ) ) ( ( ( ( depends mainly ) ( on ( ( ( ( ( ( the variety ) , ) ( the climate ) ) , ) and ) ( ( the number ) ( of ( daylight hours ) ) ) ) ) ) ( during ( the ( summer days ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN amount)) (PP (IN of) (NP (NN time)))) (VP (VBZ depends) (ADVP (RB mainly)) (PP (IN on) (NP (NP (DT the) (NN variety)) (, ,) (NP (DT the) (NN climate)) (, ,) (CC and) (NP (NP (DT the) (NN number)) (PP (IN of) (NP (NN daylight) (NNS hours)))))) (PP (IN during) (NP (DT the) (NN summer) (NNS days)))) (. .)))
The amount of time depends mainly on the variety, the climate, and the number of daylight hours during the summer days.
(ROOT (S (NP (NP (DT The) (NN number)) (PP (IN of) (NP (NP (NN daylight) (NNS hours)) (NP (DT each) (NN day))))) (VP (MD would) (VP (VB be) (ADJP (ADJP (JJS greatest)) (PP (IN during) (NP (NP (DT the) (NN summer)) (PP (IN near) (NP (DT the) (NN north) (NN pole)))))))) (. .)))
The number of daylight hours each day would be greatest during the summer near the north pole.