( Sunlight ( ( is ( ( the ( ultimate source ) ) ( of ( energy ( for ( life ( on Earth ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Sunlight)) (VP (VBZ is) (NP (NP (DT the) (JJ ultimate) (NN source)) (PP (IN of) (NP (NP (NN energy)) (PP (IN for) (NP (NP (NN life)) (PP (IN on) (NP (NNP Earth))))))))) (. .)))
Sunlight is the ultimate source of energy for life on Earth.
(ROOT (S (NP (NP (JJS Most)) (PP (IN of) (NP (NP (NN food) (POS 's)) (NN chemical) (NN energy)))) (ADVP (RB ultimately)) (VP (VBZ comes) (PP (IN from) (NP (NN sunlight)))) (. .)))