It is said that peole born under the same animal sign may have similar personalities.这句话people后面是不是省略掉了一个引导定语从句的who啊,我感觉后面的born under the same animal sign是修饰people的,但是这里的疑问代词没有作宾语,who应该不可以省略掉,是我理解有误吗?