7. The machine translation device according to claim 6 , wherein the processor identifies a point where a translated word is different between a selected third language sentence and a remainder of the one or more other third language sentences; and identifies a translated word corresponding to the point in the intermediate second language sentence.
7. The machine translation device according to claim 6 , wherein the processor identifies a point where a translated word is different between a selected third language sentence and a remainder of the one or more other third language sentences; and identifies a translated word corresponding to the point in the intermediate second language sentence. 8. The machine translation device according to claim 7 , wherein the processor translates, into the final second language sentence, the selected third language sentence; and replaces the point with a translated word corresponding to the identified translated word within the final second language sentence.