Janett: Ohh! so we could prevent this event from happening.
Allison: No! we must not change history in any way. Even a slight change could be fatal.
Janeece: Well what are we supposed to do?
Allison: I'll send you to different part of history and you'll take the objects that I'll ask you to.
Janeece: For what?
Allison: It is to build a machine that will restore RE's memory.
*later*
Allison: Okay you'll have to get germs from the precambrian era.