sentence1_binary_parse: ( ( An ( ionic bond ) ) ( ( is ( ( ( ( the bonding ) ( between ( ( ( a non-metal ) and ) ( a metal ) ) ) ) , ) ( that ( occurs ( when ( charged ( ( atoms ( -LRB- ( ions -RRB- ) ) ) attract ) ) ) ) ) ) ) . ) )
sentence1_parse: (ROOT (S (NP (DT An) (JJ ionic) (NN bond)) (VP (VBZ is) (NP (NP (DT the) (NN bonding)) (PP (IN between) (NP (NP (DT a) (NN non-metal)) (CC and) (NP (DT a) (NN metal)))) (, ,) (SBAR (WHNP (WDT that)) (S (VP (VBZ occurs) (SBAR (WHADVP (WRB when)) (S (VP (VBD charged) (SBAR (S (NP (NP (NNS atoms)) (PRN (-LRB- -LRB-) (NP (NNS ions)) (-RRB- -RRB-))) (VP (VBP attract)))))))))))) (. .)))
sentence1: An ionic bond is the bonding between a non-metal and a metal, that occurs when charged atoms (ions) attract.
sentence2_parse: (ROOT (S (NP (NP (DT The) (NN force)) (PP (IN of) (NP (NP (NN attraction)) (PP (IN between) (NP (NP (DT a) (ADJP (ADVP (RB positively)) (VBN charged)) (NN metal) (NN ion)) (CC and) (NP (NP (DT the) (JJ valence) (NNS electrons)) (SBAR (S (NP (PRP it)) (VP (VBZ shares) (PP (IN with) (NP (NP (JJ other) (NNS ions)) (PP (IN of) (NP (DT the) (NN metal)))))))))))))) (VP (VBZ is) (VP (VBN called) (S (NP (DT a) (-LRB- -LRB-) (NN n) (-RRB- -RRB-) (NN metallic) (NN bond))))) (. .)))
sentence2: The force of attraction between a positively charged metal ion and the valence electrons it shares with other ions of the metal is called a(n) metallic bond.