Another sort of task, which is a task that's been done hundreds, perhaps thousands of times, is known as "the false-belief task" and here's the idea.

另一种任务,已经被应用过了成百上千次,叫做"错误信念任务",任务是这样的

耶鲁公开课 - 心理学导论课程节选

four-year-olds and five-year-olds are able to pass this task.

四岁五岁大的儿童则能够通过这个任务

耶鲁公开课 - 心理学导论课程节选