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.
[[-123, -163, 43, -5], [-109, -189, -123], [-48, 34, -64], [-87, 34, -39, 70, -153], [-44, -45], [-108, 55], [20, -103, 88, -38, -106], [68, 29, -23, 99, 91]]