Which of the following phenomena can the opponent-process theory of color vision explain that the trichromatic theory cannot?

Question: Which of the following phenomena can the opponent-process theory of color vision explain that the trichromatic theory cannot?

The opponent-process theory of color vision is able to explain certain phenomena that the trichromatic theory cannot, particularly those related to the way we perceive colors afterimages and the complexity of certain color experiences. While the trichromatic theory posits that color vision is based on the activity of three types of cone cells in the eye, which are sensitive to red, green, and blue light, it does not account for the relational aspects of color perception. On the other hand, the opponent-process theory suggests that color perception is controlled by three opposing pairs of colors: red-green, blue-yellow, and black-white. This theory can explain why certain colors cannot be seen together as mixed hues, such as reddish-green or bluish-yellow, and why afterimages often appear in a complementary color to the one that was originally stared at. For example, after looking at a red image, one might see a green afterimage. This occurs because the cells in the eye that process red light become fatigued, leading to increased activity in the cells that process the complementary color, green. The opponent-process theory also provides insights into more complex aspects of color perception, such as the emotional response to color and the way colors are perceived in different contexts.