"Unsupported and exaggerated statements" would be something that best characterizes an unreliable narrator, but this is of course somewhat subjective.
C and C. I remember taking one test like this before
The purpose of journalism is thus to provide citizens with the information they will need to make the best possible decisions about their lives, their communities, their societies, and their governments
A dictionary or safari and if it doesn't give you an answer it's giving you an idea