film a must for everyone from junior scientists 
(ROOT (S (NP (NN film)) (NP (NP (DT a) (MD must)) (PP (IN for) (NP (NP (NN everyone)) (PP (IN from) (NP (JJ junior) (NNS scientists))))))))
(ROOT (S (NP (NN )) (NP (NP (DT ) (MD )) (PP (IN ) (NP (NP (NN )) (PP (IN ) (NP (JJ ) (NNS ))))))))