( ( Follow ( the ( ( current ( through ( entire ( closed loop ) ) ) ) ( path ( to ( make ( sure ( ( the path ) ( is ok ) ) ) ) ) ) ) ) ) . )
(ROOT (S (VP (VB Follow) (NP (DT the) (ADJP (JJ current) (PP (IN through) (NP (JJ entire) (JJ closed) (NN loop)))) (NN path) (S (VP (TO to) (VP (VB make) (ADJP (JJ sure) (SBAR (S (NP (DT the) (NN path)) (VP (VBZ is) (ADJP (JJ ok))))))))))) (. .)))
Follow the current through entire closed loop path to make sure the path is ok.
(ROOT (S (SBAR (IN Because) (S (NP (NNS charges)) (VP (MD must) (VP (VB have) (NP (DT an) (JJ unbroken) (NN path) (S (VP (TO to) (VP (VB follow))))))))) (, ,) (NP (JJ electric) (NN current)) (VP (MD can) (RB not) (VP (VB flow) (PP (IN through) (NP (DT a) (NN material))) (SBAR (IN unless) (S (NP (PRP it)) (VP (VBZ forms) (NP (DT a) (VBN closed) (NN loop))))))) (. .)))