( ( ( One third ) ( of ( this population ) ) ) ( ( lives ( within ( ( ( the territory ) ( of ( the ( two communities ) ) ) ) ( that ( are ( part ( of ( this Nation ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (CD One) (NN third)) (PP (IN of) (NP (DT this) (NN population)))) (VP (VBZ lives) (PP (IN within) (NP (NP (DT the) (NN territory)) (PP (IN of) (NP (DT the) (CD two) (NNS communities))) (SBAR (WHNP (WDT that)) (S (VP (VBP are) (NP (NP (NN part)) (PP (IN of) (NP (DT this) (NN Nation)))))))))) (. .)))
One third of this population lives within the territory of the two communities that are part of this Nation.
(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))) (. .)))