Isaiah 1:3 says the ox knows its owner. What does the donkey know?

Answer: Its master's manger

"The ox knows its owner, and the donkey its master's manger, but Israel does not know; My people do not understand."

“The ox knows its owner, and the donkey its master’s manger, but Israel does not know; My people do not understand.””— Isaiah 1:3 (BSB)