Final answer:
The subject in the sentence is "The bright, beautiful kite".
Step-by-step explanation:
The subject in the sentence "The bright, beautiful kite sailed through the air" is The bright, beautiful kite. The subject is the noun or pronoun that the sentence is about. In this case, the subject is "The bright, beautiful kite" because it is the noun phrase that is performing the action of sailing through the air.
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