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.
[[-187, -4, -31, -157, -105, 39], [-68, 56, -150, 68], [-86, 36, -159, -95], [-144, -86]]