Which of the following shows events in the proper order to reflect how natural selection works?

Which of the following shows events in the proper order to reflect how natural selection works?  Permethrin is used to kill lice; individual lice change in order to survive; most lice become resistant to permethrin.    A louse population evolved resistance to permethrin; permethrin is is used to kill lice; lice become more common in school children.    Permethrin will kill all louse populations in all children; different organisms will then take over and become more common in schoolchildren.    Louse populations become more common in schoolchildren; some lice are resistant to permethrin; permethrin is used to kill lice; lice resistant to permethrin beome the most common type.