An airplane is a vehicle with wings and one or more engines that enable it to fly through

the air
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In this sentence, what does 'it' refer to? Does 'it' refer to 'an airplane' or 'a device'?

2 answers

I'd say device.

It's a device with wings and engines.

The whole mechanism is called an airplane.
An airplane is a vehicle with wings and one or more engines that enable itself to fly through the air
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Thank you for your help. If 'it' refers to 'a device', don't we use 'itself'?