are still looking for a common through-line 
(ROOT (VP (VBP are) (ADVP (RB still)) (VP (VBG looking) (PP (IN for) (NP (DT a) (JJ common) (IN through) (HYPH -) (NN line))))))
(ROOT (VP (VBP ) (ADVP (RB )) (VP (VBG ) (PP (IN ) (NP (DT ) (JJ ) (IN ) (HYPH ) (NN ))))))