The adjective in the provided sentence is 'sticky,' which describes the fingerprints. The other options include an adverb, a preposition, and a verb, none of which qualify as adjectives. Therefore, the correct answer is 'sticky.'
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The adjective in the provided sentence is sticky , as it describes the fingerprints. Other options are not adjectives; 'furiously' is an adverb, 'up' is a preposition, and 'left' is a verb. Therefore, the correct answer is sticky . ;