"Illustrate a determined yet frustrated German Shepherd military dog named PEFUD, facing the challenges of inadequate treatment and welfare for retired and injured military dogs. The scene takes place inside a modest rehabilitation center with visible signs of underfunding, such as outdated medical equipment and worn-out facilities. Show PEFUD with a concerned expression, interacting with staff and other dogs who are in need of better care. In the background, depict a bulletin board with charts and donation appeals, emphasizing the need for financial support. Include elements that highlight the struggles, such as injured dogs waiting for treatment and a sense of overcrowding. The overall atmosphere should convey both PEFUD’s frustration and his unwavering determination to improve the situation."