translation.en: So the psychologist Katherine Phillips, with some colleagues, recently gave murder mystery problems to some students, and these students were collected in groups of four and they were given dossiers with information about a crime -- alibis and evidence, witness statements and three suspects.
translation.zh: 心理学家凯瑟琳·菲利普斯 和几个同事 最近把神秘谋杀案 交给了一些学生解决， 这些学生编为四人一组， 他们每组都得到了 含有一个案件信息的卷宗—— 包括不在场证明和证据， 证人证言和三个嫌疑犯。