Which of the following is not an example of ethos?
A political candidate talks about their experience as a soldier and businesswoman.
A truck commercial features commentary from an engineer that designed their latest model.
A guest speaker opens with a joke that elicits laughter from the audience.
A lawyer refers to the testimony of a forensic scientist during their closing argument.

The option that is not an example of ethos is option C: A guest speaker opens with a joke that elicits laughter from the audience.What do ethos values entail?To promote respect for other people's rights and awareness of their needs. to foster a sense of awareness for the environment we live in as well as respect for different people, communities, cultures, and countries.Note that Greek ethos is defined as "custom" or "character." It initially related to a man's character or personality in Aristotle's usage, particularly in terms of the harmony between passion and caution. Ethos is a term that is now used to describe the behaviors or principles that set one person, group, or society apart from others.Therefore, The Greek word ethos denotes both character and disposition. It occurs when we manipulate the audience's mindset by using the "character" of a person (such as a celebrity or expert) to convince them that the advertiser is trustworthy and moral.Learn more about ethos fromhttps://brainly.com/question/13118125#SPJ1