After the purge of foreigners, only a few stayed on, strictly confined to Dejima Island in Nagasaki Bay.
( ( After ( ( the purge ) ( of foreigners ) ) ) ( , ( ( only ( a few ) ) ( ( ( ( stayed on ) , ) ( strictly ( confined ( to ( ( Dejima Island ) ( in ( Nagasaki Bay ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN After) (NP (NP (DT the) (NN purge)) (PP (IN of) (NP (NNS foreigners))))) (, ,) (NP (QP (RB only) (DT a) (JJ few))) (VP (VBD stayed) (PRT (RP on)) (, ,) (S (ADVP (RB strictly)) (VP (VBN confined) (PP (TO to) (NP (NP (NNP Dejima) (NNP Island)) (PP (IN in) (NP (NNP Nagasaki) (NNP Bay)))))))) (. .)))
Only a few foreigners stayed on Dejima Island after the purge.
( ( ( Only ( a few ) ) foreigners ) ( ( ( stayed ( on ( Dejima Island ) ) ) ( after ( the purge ) ) ) . ) )
(ROOT (S (NP (QP (RB Only) (DT a) (JJ few)) (NNS foreigners)) (VP (VBD stayed) (PP (IN on) (NP (NNP Dejima) (NNP Island))) (PP (IN after) (NP (DT the) (NN purge)))) (. .)))