( ( Our destination ) ( ( is ( ( ( Lake Naivasha ) , ) ( which ( is ( ( a ( fresh ( water lake ) ) ) ( in ( the ( Rift Valley ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP$ Our) (NN destination)) (VP (VBZ is) (NP (NP (NNP Lake) (NNP Naivasha)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBZ is) (NP (NP (DT a) (JJ fresh) (NN water) (NN lake)) (PP (IN in) (NP (DT the) (NNP Rift) (NNP Valley))))))))) (. .)))
Our destination is Lake Naivasha, which is a fresh water lake in the Rift Valley.
(ROOT (S (NP (NNS Craters) (CC and) (NNS rifts)) (VP (VBP become) (NP (NNS lakes)) (SBAR (WHADVP (WRB when)) (S (NP (PRP they)) (VP (VBP fill) (PP (IN with) (NP (NN water))))))) (. .)))