What is the foreshadowing in Book 4 of The Odyssey?
Can you elucidate on the foreshadowing elements present in Book 4 of The Odyssey? How do these hints and subtle suggestions pave the way for the subsequent events and developments in the epic poem? Are there any key details or character actions that give a glimpse into the future, hinting at the challenges and obstacles Odysseus will face in his journey back home? Elucidate your answer, please.