( We ( , ( ( ( can only ) ( be ( lights ( to ( the people ) ) ) ) ) . ) ) )
(ROOT (S (NP (PRP We)) (, ,) (VP (MD can) (ADVP (RB only)) (VP (VB be) (NP (NP (NNS lights)) (PP (TO to) (NP (DT the) (NNS people)))))) (. .)))
We, can only be lights to the people.
(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))))))) (. .)))