( ( ( Draw ( the field ) ) ( ( ( lines and ) also ) ( the equipotentials ) ) ) . )
(ROOT (S (VP (VB Draw) (NP (DT the) (NN field)) (NP (NP (NNS lines)) (CC and) (ADVP (RB also)) (NP (DT the) (NNS equipotentials)))) (. .)))
Draw the field lines and also the equipotentials.
(ROOT (S (SBAR (IN Since) (S (NP (DT the) (JJ electric) (NN field) (NNS lines)) (VP (VBP point) (ADVP (RB radially)) (ADVP (RB away) (PP (IN from) (NP (DT the) (NN charge))))))) (, ,) (NP (PRP they)) (VP (VBP are) (ADJP (JJ perpendicular) (S (VP (TO to) (VP (VB equipotential) (NP (NNS lines))))))) (. .)))