( ( Named ( after ( ( ( Enrico Fermi ) , ) ( who ( had ( ( considerable ability ) ( in ( this area ) ) ) ) ) ) ) ) . )
(ROOT (S (VP (VBN Named) (PP (IN after) (NP (NP (NNP Enrico) (NNP Fermi)) (, ,) (SBAR (WHNP (WP who)) (S (VP (VBD had) (NP (NP (JJ considerable) (NN ability)) (PP (IN in) (NP (DT this) (NN area)))))))))) (. .)))
Named after Enrico Fermi, who had considerable ability in this area.
(ROOT (S (NP (NNP Enrico) (NNS fermi)) (VP (VBZ is) (NP (NP (DT the) (NN name)) (PP (IN of) (NP (NP (DT the) (NN scientist)) (SBAR (WHNP (WP who)) (S (VP (VBD named) (NP (NNS neutrinos))))))))) (. .)))