She responded by throwing down the block and turning to another activity.
( She ( ( responded ( by ( ( ( ( throwing down ) ( the block ) ) and ) ( turning ( to ( another activity ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP She)) (VP (VBD responded) (PP (IN by) (S (VP (VP (VBG throwing) (PRT (RP down)) (NP (DT the) (NN block))) (CC and) (VP (VBG turning) (PP (TO to) (NP (DT another) (NN activity)))))))) (. .)))
She responded by abandoning the block, and engaging in another activity.
( She ( ( responded ( by ( ( ( ( abandoning ( the block ) ) , ) and ) ( engaging ( in ( another activity ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP She)) (VP (VBD responded) (PP (IN by) (S (VP (VP (VBG abandoning) (NP (DT the) (NN block))) (, ,) (CC and) (VP (VBG engaging) (PP (IN in) (NP (DT another) (NN activity)))))))) (. .)))