( ( The ( only objects ) ) ( ( easily ( in ( a ( light ( polluted areas ) ) ) ) ) ( ( are ( ( ( ( ( ( bright planets ) , ) stars ) , ) and ) ( the moon ) ) ) . ) ) )
(ROOT (S (NP (DT The) (JJ only) (NNS objects)) (ADVP (RB easily) (PP (IN in) (NP (DT a) (JJ light) (JJ polluted) (NNS areas)))) (VP (VBP are) (NP (NP (JJ bright) (NNS planets)) (, ,) (NP (NNS stars)) (, ,) (CC and) (NP (DT the) (NN moon)))) (. .)))
The only objects easily in a light polluted areas are bright planets, stars, and the moon.
(ROOT (S (NP (NP (DT The) (NNS setmoons)) (, ,) (NP (NNS planets)) (, ,) (CC and) (NP (NNS comets))) (VP (VBZ contains) (NP (NP (JJ only) (NNS objects)) (SBAR (WHNP (WDT that)) (S (VP (VBP shine) (PP (IN as) (NP (NP (DT a) (NN result)) (PP (IN of) (NP (JJ reflected) (NN light)))))))))) (. .)))
The setmoons, planets, and comets contains only objects that shine as a result of reflected light.