( ( An ( 8-week ( summer ( field course ) ) ) ) ( ( required ( of ( all ( geology majors ) ) ) ) . ) )
(ROOT (S (NP (DT An) (JJ 8-week) (NN summer) (NN field) (NN course)) (VP (VBD required) (PP (IN of) (NP (DT all) (NN geology) (NNS majors)))) (. .)))
An 8-week summer field course required of all geology majors.
(ROOT (S (PP (IN By) (NP (CD 8) (NNS weeks))) (, ,) (NP (DT all) (JJ major) (NNS organs)) (VP (VBP start) (S (VP (VBG developing)))) (. .)))