( ( A ( few ( early ( Cretaceous rocks ) ) ) ) ( ( show ( ( clear imprints ) ( of ( leaves ( resembling ( angiosperm leaves ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT A) (JJ few) (JJ early) (JJ Cretaceous) (NNS rocks)) (VP (VBP show) (NP (NP (JJ clear) (NNS imprints)) (PP (IN of) (NP (NP (NNS leaves)) (VP (VBG resembling) (NP (NN angiosperm) (NNS leaves))))))) (. .)))
A few early Cretaceous rocks show clear imprints of leaves resembling angiosperm leaves.
(ROOT (S (NP (DT A) (NN mold)) (VP (VBZ is) (NP (NP (DT an) (NN imprint)) (PP (IN of) (NP (NP (DT an) (NN organism)) (VP (VBN left) (PP (IN in) (NP (NN rock)))))))) (. .)))