( ( Luminescence-light ( from molecules ) ) . )
(ROOT (NP (NP (NN Luminescence-light)) (PP (IN from) (NP (NNS molecules))) (. .)))
Luminescence-light from molecules.
(ROOT (S (NP (NNP Luminescence)) (VP (VBZ is) (NP (NP (DT the) (NN name)) (PP (IN of) (NP (NP (DT the) (NN process)) (SBAR (WHADVP (WRB where)) (S (NP (NN light)) (VP (VBZ is) (VP (VBN produced) (PP (IN without) (NP (NN heat))))))))))) (. .)))