( It ( ( ( ( falls ( from ( stratus clouds ) ) ) and ) ( ( is often ) ( associated ( with ( low ( ( visibility and ) fog ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VP (VBZ falls) (PP (IN from) (NP (JJ stratus) (NNS clouds)))) (CC and) (VP (VBZ is) (ADVP (RB often)) (VP (VBN associated) (PP (IN with) (NP (JJ low) (NN visibility) (CC and) (NN fog)))))) (. .)))
It falls from stratus clouds and is often associated with low visibility and fog .
(ROOT (S (NP (NNP Stratus) (NNS clouds)) (VP (VBP occur) (PP (IN in) (NP (NP (DT the) (NN low)) (PP (IN of) (NP (DT the) (NNP troposphere)))))) (. .)))