SORU: cümleler sırasıyla okunduğunda anlam bütünlüğünü bozan cümleyi bulunuz
(I)Until recently, researchers knew that laughing was good for us, but they didn't really understand how. (II) Laughing at somebody is considered to be ridiculing the individual. (III) New evidence points to changes in the brain as the source for laughter. (IV) Researchers found that when people laugh, a part of the brain's reward system is triggered. (V) In this reward system, a person feels pleasure and wants to have the same pleasant feelings over and over again.