have been this odd , inexplicable and unpleasant . 
(ROOT (S (VP (VBP have) (VP (VBN been) (NP (DT this) (JJ odd) (, ,) (JJ inexplicable) (CC and) (JJ unpleasant)))) (. .)))
(ROOT (S (VP (VBP ) (VP (VBN ) (NP (DT ) (JJ ) (, ) (JJ ) (CC ) (JJ )))) (. )))