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.
[[49, -80, -56], [49, 32, 58, -174, -86, -170, -2], [-89, -69, 70, 7, 28], [49, -181, 47, -171], [-107, -178, 10, 5, -121]]