Produce a sentence which has a cefr level of "b2" that contains the following words: orestes, time, oracle.
Orestes, who had been betrothed to her previously, happened to call in at this time as he was travelling north to consult the oracle at Dodona; and on learning of her predicament, he offered to take her away with him, explaining that he had already taken measures to ensure that Neoptolemos would be killed at Delphi.