In this task, you are given a list. This list contains many lists of integers. The list is several items written within a []. Your task is to find the maximum number among the members of each inner list. The output should be a list comprised of the maximums with the same order as the internal lists.
[[-154, 96, 67, -108, -171], [-196, -118, -6, -146, -183], [-169, -86, 87, 90], [70, -106], [-78, -199, -121], [-2, -110, 38, -144, 53, 71], [-120, -87, -28, -14, -112, -191, -158]]