In this task, you're given a story (which contains five sentences only). Your task is to find all the characters which are available in the given story.

Sentence1: Germaine was a scientist working on a secret NASA project. Sentence2: It was meant to help design a ship that could travel to Mars. Sentence3: He was really attracted to a pretty woman who was his colleague. Sentence4: They finally got together and became very intimate. Sentence5: Months later he learned she was a Russian spy and he was fired.
Colleague, Germaine