Which sentence contains adjectives that are not coordinate

I gripped the cold metal pole on the crowded train.

the train was hot, crowded, and loud on the way to work.

the train was quiet, and peaceful on the way home from work.

A brief, clear announcement indicates when the next train will arrive on the platform.

The sentence "the train was hot, crowded, and loud on the way to work." contains adjectives that are not coordinate.