How do I get through the maze?

Hint 1 of 5:

Do you see the little fireflies that change colors?  Those are sprites.

Hint 2 of 5:

Talk to the sprites by double-clicking on them.

Hint 3 of 5:

Match the brothers & sisters with each other.

Hint 4 of 5:

Betty tells the truth when she's blue.

Hint 5 of 5:

Talk to Ralph when he's red.