( ( ( ( ( These ( carbon-hydrogen bonds ) ) ( ( ( are nonpolar ) , ) ( meaning ( that ( ( the ( two atoms ) ) ( ( share electrons ) equally ) ) ) ) ) ) ; ) ( ( in ( other words ) ) ( , ( they ( ( ( have ( ( an ( equal pull ) ) ( on ( ( the electrons ) ( in ( the bond ) ) ) ) ) ) , ) ( causing ( ( these sections ) ( of ( the ( molecule ( to ( lack ( a ( dipole-dipole ( intermolecular attraction ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) . )
(ROOT (S (S (NP (DT These) (JJ carbon-hydrogen) (NNS bonds)) (VP (VBP are) (ADJP (JJ nonpolar)) (, ,) (S (VP (VBG meaning) (SBAR (IN that) (S (NP (DT the) (CD two) (NNS atoms)) (VP (VBP share) (NP (NNS electrons)) (ADVP (RB equally))))))))) (: ;) (S (PP (IN in) (NP (JJ other) (NNS words))) (, ,) (NP (PRP they)) (VP (VBP have) (NP (NP (DT an) (JJ equal) (NN pull)) (PP (IN on) (NP (NP (DT the) (NNS electrons)) (PP (IN in) (NP (DT the) (NN bond)))))) (, ,) (S (VP (VBG causing) (NP (NP (DT these) (NNS sections)) (PP (IN of) (NP (DT the) (NN molecule) (S (VP (TO to) (VP (VB lack) (NP (DT a) (JJ dipole-dipole) (NN intermolecular) (NN attraction)))))))))))) (. .)))
These carbon-hydrogen bonds are nonpolar, meaning that the two atoms share electrons equally; in other words, they have an equal pull on the electrons in the bond, causing these sections of the molecule to lack a dipole-dipole  intermolecular attraction.
(ROOT (S (SBAR (WHADVP (WRB When)) (S (NP (NNS electrons)) (VP (VBP are) (VP (VBN shared) (ADVP (RB equally)))))) (, ,) (NP (PRP it)) (VP (VBZ is) (VP (VBN called) (NP (NN nonpolar) (NNS bonds)))) (. .)))