What is the difference among the three sentences?为什么among不可以

among是在什么之间的意思,更多的表示一种共生关系,没有对比的意思,不会用于difference后面.
difference/different 后面一般跟between,比较两件人/事,比如说
What's the difference between weather and climate?
但是如果是多个事物比较的话,就不能用between了,而是用from.
how are the three sentences different from each other?注意这里用的是形容词形式.