( Students ( ( will ( chart ( ( the ( weather conditions ) ) ( associated ( with ( ( ( a ( high ( pressure system ) ) ) and ) ( a ( low ( pressure system ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Students)) (VP (MD will) (VP (VB chart) (NP (NP (DT the) (NN weather) (NNS conditions)) (VP (VBN associated) (PP (IN with) (NP (NP (DT a) (JJ high) (NN pressure) (NN system)) (CC and) (NP (DT a) (JJ low) (NN pressure) (NN system)))))))) (. .)))
Students will chart the weather conditions associated with a high pressure system and a low pressure system.
(ROOT (S (NP (JJ Cloudy) (NNS conditions)) (VP (MD will) (ADVP (RBS most) (RB likely)) (VP (VB result) (PP (IN from) (NP (DT a) (JJ low-pressure) (NN weather) (NN system))))) (. .)))
Cloudy conditions will most likely result from a low-pressure weather system.