“Life is a highway / I wanna ride it all night long” What is the metaphor in these lines describing?

It describes how the narrator feels about driving on the road.

It describes the narrator’s desire to go on a joyride.

It describes life by comparing it to a highway.

It describes life by personifying it as a highway.

in this passage from chapter 6 of "animal farm", by george orwell, what the author is ridiculing in this passage is the frivolity of some rules.

clover, the mare, believes she remembers that the fourth commandment forbade sleeping in beds because it was something that humans did. snowball, napoleon, and the pigs are brain-workers who look after the welfare of the farm. they are the obvious leaders because they are smart, and so they are entitled to eat the best food and sleep in beds. it is squealer, who says these lines making the difference between sleeping with sheets, what humans do, and sleeping in beds, what pigs do. the unwillingness to question authority makes the oppressed to obey without thinking.

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