( ( Students ( without ( ( prior preparation ) ( in ( ( ( political science ) or ) ( public policy ) ) ) ) ) ) ( ( must ( develop ( knowledge ( of ( the ( policy process ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNS Students)) (PP (IN without) (NP (NP (JJ prior) (NN preparation)) (PP (IN in) (NP (NP (JJ political) (NN science)) (CC or) (NP (JJ public) (NN policy))))))) (VP (MD must) (VP (VB develop) (NP (NP (NN knowledge)) (PP (IN of) (NP (DT the) (NN policy) (NN process)))))) (. .)))
Students without prior preparation in political science or public policy must develop knowledge of the policy process.
(ROOT (S (NP (NP (DT The) (NN process)) (PP (IN for) (NP (VBG developing) (NN knowledge)))) (VP (VBZ is) (VP (VBN called) (NP (NN science)))) (. .)))