( ( By ( the ( same analogy ) ) ) ( , ( ( a ( triple bond ) ) ( ( is ( when ( ( ( three pairs ) ( of electrons ) ) ( ( ( are shared ) and ) ( is ( represented ( by ( ( three lines ) ( between ( two atoms ) ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN By) (NP (DT the) (JJ same) (NN analogy))) (, ,) (NP (DT a) (JJ triple) (NN bond)) (VP (VBZ is) (SBAR (WHADVP (WRB when)) (S (NP (NP (CD three) (NNS pairs)) (PP (IN of) (NP (NNS electrons)))) (VP (VP (VBP are) (VP (VBN shared))) (CC and) (VP (VBZ is) (VP (VBN represented) (PP (IN by) (NP (NP (CD three) (NNS lines)) (PP (IN between) (NP (CD two) (NNS atoms))))))))))) (. .)))
By the same analogy, a triple bond is when three pairs of electrons are shared and is represented by three lines between two atoms.
(ROOT (S (PP (IN In) (NP (DT a) (NN carbon) (JJ triple) (NN bond))) (, ,) (NP (NP (CD three) (NNS pairs)) (PP (IN of) (NP (NNS electrons)))) (VP (VBP are) (VP (VBN shared))) (. .)))