premise: A man with medium length curly hair, wearing a button down shirt and bracelets, sings into a microphone while he plays a guitar. hypothesis: Everyone is bald.
contradiction: Not everyone is bald since there is at least a man with medium length curly hair.|contradiction: The man can not have both medium hair and be bald.|contradiction: If one person has medium length curly hair, then it is not possible that everyone is bald.