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.
[[-103, -43, 55, 15, -19], [21, -7, -107, -40, -189], [-111, 75, 73, -198, -190], [-135, 82, -144, -32, 84, -98]]