( ( With ( increasing depth ) ) ( , ( pressure ( ( ( ( compresses ( the chest ) ) , ) ( ( giving divers ) ( ( the ( false sensation ) ) ( that ( ( their lungs ) ( are full ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN With) (NP (VBG increasing) (NN depth))) (, ,) (NP (NN pressure)) (VP (VBZ compresses) (NP (DT the) (NN chest)) (, ,) (S (VP (VBG giving) (NP (NNS divers)) (NP (NP (DT the) (JJ false) (NN sensation)) (SBAR (IN that) (S (NP (PRP$ their) (NNS lungs)) (VP (VBP are) (ADJP (JJ full))))))))) (. .)))
With increasing depth, pressure compresses the chest, giving divers the false sensation that their lungs are full.
(ROOT (S (SBAR (IN As) (S (NP (DT a) (NN diver)) (VP (VBZ descends)))) (, ,) (NP (NP (DT the) (NN increase)) (PP (IN in) (NP (NN pressure)))) (VP (VBZ causes) (NP (NP (DT the) (NN body) (POS 's)) (NN air) (NNS pockets)) (PP (IN in) (NP (NP (DT the) (NNS ears) (CC and) (NNS lungs)) (PP (TO to) (NP (NNS compress)))))) (. .)))