( ( They ( ( are then ) ( shown ( how ( ( every ( energy source ) ) ( ultimately ( comes ( from ( ( the Sun ) ( using ( props ( such ( as coal ) ) ) ) ) ) ) ) ) ) ) ) ) ( , ( ( mars ( ( bar , ) ( mini television ) ) ) . ) ) )
(ROOT (SINV (S (NP (PRP They)) (VP (VBP are) (ADVP (RB then)) (VP (VBN shown) (SBAR (WHADVP (WRB how)) (S (NP (DT every) (NN energy) (NN source)) (ADVP (RB ultimately)) (VP (VBZ comes) (PP (IN from) (NP (NP (DT the) (NNP Sun)) (VP (VBG using) (NP (NP (NNS props)) (PP (JJ such) (IN as) (NP (NN coal))))))))))))) (, ,) (VP (VBZ mars)) (NP (NP (NN bar)) (, ,) (NP (JJ mini) (NN television))) (. .)))
They are then shown how every energy source ultimately comes from the Sun using props such as coal, mars bar, mini television.
(ROOT (S (S (NP (NNP Coal)) (VP (VBZ is) (ADJP (JJ nonrenewable)))) (, ,) (CC and) (S (NP (DT the) (NN sun)) (VP (VBZ is) (ADJP (JJ renewable) (SBAR (S (VP (VBZ is) (SBAR (WHADVP (WRB how)) (S (NP (NP (NN coal)) (CC and) (NP (DT the) (NN sun))) (VP (VBP compare) (PP (IN as) (NP (NP (NNS sources)) (PP (IN of) (NP (NN energy)))))))))))))) (. .)))