You are researching the topic of “laughter yoga” online and find the following information: “the concept of laughter yoga is based on a scientific fact that the body cannot differentiate between fake and real laughter. one gets the same physiological and psychological benefits.” source: kataria, madhuri. “what is laughter yoga? ” laughteryoga. org. laughter yoga international, n. d. web. 25 july 2011. which passage is not an example of plagiarism?