What does Rashad think as the cop is beating him?

Which of the following sentences refers to a conflict between characters in "two kinds"?

Diego rivera was a famous artist from mexico. most of his paintings were murals. murals are paintings that are made directly on a wall. rivera thought that all people should be able to see beautiful art, not just people who could afford to go to museums. this is why he painted most of his murals on the walls of public buildings

What is the best prediction of the meaning of thrilling based on the context clues?