( ( ( ( PURPOSE ( This reading ) ) and ) ( ( ( ( lecture examine ) ( ( the ( ( rise and ) fall ) ) ( of ( a ( long ( distance ( trade route ) ) ) ) ) ) ) ( in ( terms ( of ( political conditions ) ) ) ) ) ( at ( ( key locations ) ( along ( its length ) ) ) ) ) ) . )
(ROOT (S (VP (VP (VB PURPOSE) (NP (DT This) (NN reading))) (CC and) (VP (VB lecture) (VB examine) (NP (NP (DT the) (NN rise) (CC and) (NN fall)) (PP (IN of) (NP (DT a) (JJ long) (NN distance) (NN trade) (NN route)))) (PP (IN in) (NP (NP (NNS terms)) (PP (IN of) (NP (JJ political) (NNS conditions))))) (PP (IN at) (NP (NP (JJ key) (NNS locations)) (PP (IN along) (NP (PRP$ its) (NN length))))))) (. .)))
PURPOSE This reading and lecture examine the rise and fall of a long distance trade route in terms of political conditions at key locations along its length.
(ROOT (S (NP (NNP Distance)) (VP (VBZ is) (NP (NP (DT the) (NN term)) (PP (IN for) (NP (NP (DT the) (NN length)) (PP (IN of) (NP (NP (DT the) (NN route)) (PP (IN between) (NP (CD two) (NNS points))))))))) (. .)))