prompt: Given the following sentence: "Although it is impossible to trace the earlier evolution of the myth in any detail or with much certainty, her wanderings would surely have been confined to the Argolid in the earliest tradition; and it has been plausibly suggested that she would have roamed from the city of Argos to the great Heraion near Mycenae, which was located on a hill known as Euboia.". What is its difficulty level?
label: b2