( Food ( ( may ( have ( a ( ( ( bitter or ) sour ) taste ) ) ) ) . ) )
(ROOT (S (NP (NNP Food)) (VP (MD may) (VP (VB have) (NP (DT a) (ADJP (JJ bitter) (CC or) (JJ sour)) (NN taste)))) (. .)))
Food may have a bitter or sour taste.
(ROOT (S (NP (NNS Bases)) (ADVP (RB normally)) (VP (VBP have) (NP (DT a) (JJ bitter) (NN taste))) (. .)))