wimps out by going for that pg-13 rating 
(ROOT (VP (VBZ wimps) (PRT (RP out)) (PP (IN by) (S (VP (VBG going) (PP (IN for) (NP (DT that) (NML (NN pg) (CD -13)) (NN rating))))))))
(ROOT (VP (VBZ ) (PRT (RP )) (PP (IN ) (S (VP (VBG ) (PP (IN ) (NP (DT ) (NML (NN ) (CD )) (NN ))))))))