, less than ten years after the death of the prophet Mohamed.
( , ( ( less ( than ( ten years ) ) ) ( ( after ( ( the death ) ( of ( the ( prophet Mohamed ) ) ) ) ) . ) ) )
(ROOT (PRN (, ,) (ADVP (ADVP (RBR less)) (PP (IN than) (NP (CD ten) (NNS years)))) (PP (IN after) (NP (NP (DT the) (NN death)) (PP (IN of) (NP (DT the) (NNP prophet) (NNP Mohamed)))) (. .))))
The prophet Mohamed didn't exist.
( ( The ( prophet Mohamed ) ) ( ( ( did n't ) exist ) . ) )
(ROOT (S (NP (DT The) (NNP prophet) (NNP Mohamed)) (VP (VBD did) (RB n't) (VP (VB exist))) (. .)))