The building was in ruins, its walls crumbling and windows shattered. The once pristine structure now was covered in ivy, as nature slowly reclaimed the city. As you wandered through the desolate landscape of the ruined city, you came across an old abandoned hospital. As you cautiously entered through the broken front doors, you noticed a faint whirring sound coming from somewhere deeper in the building.

Curiosity piqued, you followed the noise, careful to avoid the broken glass and debris that littered the floor. The hallway was dimly lit, and the air was thick with the musty smell of decay. The robot seemed to examine you curiously, taking in your appearance. It then spoke in a deep, smooth voice.

"Who goes there?"