La dificultad en la elección es debido a que Cortázar y el destinatario no comparten el mismo dialecto o es debido a un problema de adecuación de registro

The difficulty in the choice is due to the fact that Cortázar and the recipient do not share the same dialect or it is due to a problem of registration adequacy

Explanation:

answerestan corriendo; i believe this is correct, plz check first good luck;