This gym features a "Maze" and all of the trainers look like Jasmine, there is actually a big problem with this "Maze", if you look closely, you can see the walls, they are blank patches in the lines of the floor.
The real Janine is on the left hand side, above Lass Linda, to get to her, go to the far right hand side, go up and round the fake right to the top, go left all the way, go down 2, right 2, down 2, left 1 and down to Janine