they engage and even touch us 
(ROOT (S (NP (PRP they)) (VP (VP (VBP engage)) (CC and) (ADVP (RB even)) (VP (VBP touch) (NP (PRP us))))))
(ROOT (S (NP (PRP )) (VP (VP (VBP )) (CC ) (ADVP (RB )) (VP (VBP ) (NP (PRP ))))))