( ( ( Things ( of interest ) ) ( to ( students ( , ( teachers ( , ( and ( science hobbyists ) ) ) ) ) ) ) ) . )
(ROOT (NP (NP (NNS Things)) (PP (IN of) (NP (NN interest))) (PP (TO to) (NP (NNS students) (, ,) (NNS teachers) (, ,) (CC and) (NN science) (NNS hobbyists))) (. .)))
Things of interest to students, teachers,and science hobbyists.
(ROOT (S (SBAR (IN If) (S (NP (DT an) (NN accident)) (VP (VBZ happens) (PP (IN during) (NP (DT a) (NN science) (NN experiment)))))) (, ,) (NP (NP (DT the) (JJ first) (NN thing)) (SBAR (S (NP (DT a) (NN student)) (VP (MD should) (VP (VB do)))))) (VP (VBZ is) (NP (NP (NN report)) (PP (TO to) (NP (DT the) (NN teacher))))) (. .)))