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.
[[-189, 37, 51, -147, -25], [-57, -163], [57, -74], [-191, 35], [66, -191, 55, 2, -28, -171, -101], [12, -167, -38, -170]]