( ( Temporary flooding ) ( ( ( ( occurs primarily ) ( in response ) ) ( to ( precipitation-runoff events ) ) ) . ) )
(ROOT (S (NP (JJ Temporary) (NN flooding)) (VP (VBZ occurs) (ADVP (RB primarily)) (PP (IN in) (NP (NN response))) (PP (TO to) (NP (JJ precipitation-runoff) (NNS events)))) (. .)))
Temporary flooding occurs primarily in response to precipitation-runoff events.
(ROOT (S (NP (NP (NN Precipitation) (CC and) (NN runoff)) (PP (IN in) (NP (DT the) (NN water) (NN cycle)))) (VP (VBP are) (ADVP (RB primarily)) (ADJP (JJ responsible) (PP (IN for) (NP (NP (DT the) (NN creation)) (PP (IN of) (NP (DT a) (NN lake))))))) (. .)))