Richard created an advertisement that included a scientific explanation of how clothes are cleaned beside the image of washing machine. The text covered almost two-thirds of the ad space. The post-testing of the ad found that the customers lost interest in the ad when looking at the amount of text. Which advertisement feature should Richard have used to create a better ad?

Richard should have used _____ A.brevity B.complexity C.rigidity
and _____ A.fluidity B.precision C.comparability in his ad to make it better.