Alia, Bailey, Carla, Diana, and Elsa arrive at a birthday party wearing gowns of different colors. The colors are blue, orange, green, yellow, and red.
From the given information, find the color of Elsa's gown.
1. Alia wears a blue-colored gown.
2. Diana's gown is neither red nor green.
3. Bailey wears an orange gown.
4. Carla's gown is neither yellow nor green.