( ( ( ( Good lighting ) and ) ( high ( visibility clothing ) ) ) ( ( can ( help ( keep ( people safe ) ) ) ) . ) )
(ROOT (S (NP (NP (JJ Good) (NN lighting)) (CC and) (NP (JJ high) (NN visibility) (NN clothing))) (VP (MD can) (VP (VB help) (S (VP (VB keep) (S (NP (NNS people)) (ADJP (JJ safe))))))) (. .)))
Good lighting and high visibility clothing can help keep people safe.
(ROOT (S (NP (PRP We)) (VP (VBP call) (NP (DT the) (JJ only) (NN light)) (SBAR (IN that) (S (NP (NNS people)) (VP (MD can) (VP (VB see) (NP (JJ visible) (NN light))))))) (. .)))