( ( Parallels ( of latitude ) ) ( ( are ( ( measured ( in ( ( degrees ( ( North or ) South ) ) ( of ( ( the equator ) ( for ( ( zero degrees ) ( at ( the equator ) ) ) ) ) ) ) ) ) ( to ( ( a maximum ) ( of ( ( 90 degrees ) ( at ( the poles ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNS Parallels)) (PP (IN of) (NP (NN latitude)))) (VP (VBP are) (VP (VBN measured) (PP (IN in) (NP (NP (NNS degrees)) (ADJP (JJ North) (CC or) (JJ South)) (PP (IN of) (NP (NP (DT the) (NN equator)) (PP (IN for) (NP (NP (CD zero) (NNS degrees)) (PP (IN at) (NP (DT the) (NN equator))))))))) (PP (TO to) (NP (NP (DT a) (NN maximum)) (PP (IN of) (NP (NP (CD 90) (NNS degrees)) (PP (IN at) (NP (DT the) (NNS poles))))))))) (. .)))
Parallels of latitude are measured in degrees North or South of the equator for zero degrees at the equator to a maximum of 90 degrees at the poles.
(ROOT (S (NP (NNP Latitude)) (VP (VBZ is) (VP (VBN used) (PP (TO to) (NP (NN measure))) (, ,) (PP (IN in) (NP (NP (NNS degrees)) (, ,) (NP (NP (DT the) (NN distance)) (ADVP (RB north) (CC or) (RB south)) (PP (IN of) (NP (DT the) (NN equater)))))))) (. .)))