lead a group of talented friends 
(ROOT (S (VP (VB lead) (NP (NP (DT a) (NN group)) (PP (IN of) (NP (JJ talented) (NNS friends)))))))
(ROOT (S (VP (VB ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (JJ ) (NNS )))))))