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.
[[-198, 99, 85, 6, -1, -171], [-188, -175, 59], [-58, -91, -167, 11, -81, -15], [-78, 40, -172, -150, -123], [-185, -90]]