You are given a word and your task is to classify it based on its part of speech. Return one of the following labels: 'noun', 'verb', 'adjective', 'adverb'.
quickly
adverb
Please classify the following word based on its part of speech: [INPUT]. The possible labels are 'noun', 'verb', 'adjective', or 'adverb'.
Please classify the following word based on its part of speech: quickly. The possible labels are 'noun', 'verb', 'adjective', or 'adverb'.
human
Please classify the following word based on its part of speech: quickly. The possible labels are 'noun', 'verb', 'adjective', or 'adverb'.
gpt
adverb