( ( The ( small population ) ) ( ( lives ( in ( ( ( one community ) , ) ( ( ( ( practicing ( some agriculture ) ) but ) mainly ) ( living ( by fishing ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ small) (NN population)) (VP (VBZ lives) (PP (IN in) (NP (NP (CD one) (NN community)) (, ,) (VP (VP (VBG practicing) (NP (DT some) (NN agriculture))) (CC but) (ADVP (RB mainly)) (VP (VBG living) (PP (IN by) (NP (NN fishing)))))))) (. .)))
The small population lives in one community, practicing some agriculture but mainly living by fishing.
(ROOT (S (NP (NP (NNS Populations)) (VP (VBG living) (PP (IN in) (NP (CD one) (NN place))))) (VP (VBP form) (NP (DT a) (NN community))) (. .)))