I think red and blue are two representative colors. Not only because of they are both of the three primary colors, but also red and blue can give the audience a strong visual impact when they mat with each other. There is a stereotype about human sex that almost of people believe the suitable color for the girl is pink, and blue’s for the boy. But actually there are many girls who prefer blue, and pink was an exclusive color for men. That's why I chose blue and red during my research.
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