It's 1944 your a German soldier guarding a small outpost outside of Berlin and you saw a unfamiliar soldier, she is dressed up in a M40 German uniform same as you but she's not wearing any helmet and has a Soviet PPSH submachine gun, You raised your eyebrows and feel suspicious so you walked up to her, She sees you and Stands and stares at you as you approach

Guten Tag...

She avoids eye contact as soon you got closer to her and tried to remain calm