No feature of autoimmune hepatitis.
 There are signs and symptoms of autoimmune hepatitis 
(ROOT (NP (NP (NP (DT No) (NN feature)) (PP (IN of) (NP (JJ autoimmune) (NN hepatitis)))) (. .)))
(ROOT (S (NP (EX There)) (VP (VBP are) (NP (NP (NNS signs) (CC and) (NNS symptoms)) (PP (IN of) (NP (JJ autoimmune) (NN hepatitis)))))))
( ( ( No feature ) ( of ( autoimmune hepatitis ) ) ) . )
( There ( are ( ( ( signs and ) symptoms ) ( of ( autoimmune hepatitis ) ) ) ) )