What are the central beliefs of Buddhism? Choose three correct answers.

People exist in a cycle of life and death, and birth and rebirth.
Nirvana is attained when a person escapes a cycle of suffering.
Kami serves as a guide on the path to escape the cycle of suffering.
Enlightenment occurs when people understand the cycle of suffering.
People end the cycle of suffering when they accept the laws of Confucianism.