You will be given a definition of a task first, then some input of the task.
The provided files include famous book titles and sentences in the English language, and we ask you to translate those to the Spanish Language. Please bear in mind the following guidelines while doing the translation: 1) We are looking for the most naturally written and form of each sentence in the Spanish language. 2) Also names, dates and places should be preserved it should not get translated.

The old well-established grievance of duty against will, parent against child, was the cause of all.
Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
La antigua y ya conocida disputa entre el deber y el deseo, los padres contra los hijos, era la causa de todo.