( ( ( The focus ) ( of ( our ( current research ) ) ) ) ( ( is ( ( ( ( erosion and ) transport ) ( of ( ( sediment and ) phosphorus ) ) ) ( to ( the lake ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN focus)) (PP (IN of) (NP (PRP$ our) (JJ current) (NN research)))) (VP (VBZ is) (NP (NP (NN erosion) (CC and) (NN transport)) (PP (IN of) (NP (NN sediment) (CC and) (NN phosphorus))) (PP (TO to) (NP (DT the) (NN lake))))) (. .)))
The focus of our current research is erosion and transport of sediment and phosphorus to the lake.
(ROOT (S (NP (NNP Sediment)) (VP (VBZ is) (VP (VBN transported) (PP (IN by) (NP (NNS currents))))) (. .)))