1)
What was the question "ha'Yam Ani"?
1.
Rashi: Am I the sea, and therefore You put sand to confine me 1 ?
2.
Malbim: Why do you muzzle my mouth from speaking? Am I the sea, that nature muzzled its mouth and put a border around it, lest it leave and destroy the world?!
1
"Samti Chol Gevul la'Yam." (PF)
2)
What is "Tanin"?
1.
Rashi: It is a big fish that You locked it in hidden places of the sea. So you made the Satan guard my Nefesh from leaving!
2.
Malbim: It is a snake. One muzzles it, lest it damage via biting. Why do you guard my mouth from speaking - will it damage?


