Check if a given word is used correctly in the sentence according to its approved definition. Answer with YES or NO only.

Word: back
Approved Definition: to an initial condition
Sentence: Move the engine throttle back to 60% rpm.
Answer: YES

Word: back
Approved Definition: to an initial condition
Sentence: He has consistently backed his colleagues throughout the project.
Answer: NO

Word: change
Approved Definition: that which occurs when something changes
Sentence: The color change shows that the temperature is too high.
Answer: YES

Word: {{word}}
Approved Definition: {{approved_definition}}
Sentence: {{sentence}}
Answer: 