( ( ( ( ( ( The ( covalent bonds ) ) ( between ( adjacent atoms ) ) ) ( are ( nonpolar ( covalent bonds ) ) ) ) and ) ( ( this compound ) ( ( is therefore ) hydrophobic ) ) ) . )
(ROOT (S (S (NP (NP (DT The) (JJ covalent) (NNS bonds)) (PP (IN between) (NP (JJ adjacent) (NNS atoms)))) (VP (VBP are) (NP (NN nonpolar) (NN covalent) (NNS bonds)))) (CC and) (S (NP (DT this) (NN compound)) (VP (VBZ is) (ADVP (RB therefore)) (ADJP (JJ hydrophobic)))) (. .)))
The covalent bonds between adjacent atoms are nonpolar covalent bonds and this compound is therefore hydrophobic.
(ROOT (S (NP (DT A) (NN covalent) (NN network)) (ADVP (RB solid)) (VP (VBZ is) (NP (NP (DT a) (NN compound)) (SBAR (WHPP (IN in) (WHNP (WDT which))) (S (NP (NP (DT all)) (PP (IN of) (NP (DT the) (NNS atoms)))) (VP (VBP are) (VP (VBN connected) (PP (TO to) (NP (CD one) (DT another))) (PP (IN by) (NP (JJ covalent) (NNS bonds))))))))) (. .)))