TEACHER : Donald, what is the chemical formula for
TEACHER : Donald, what is the chemical formula for water?
DONALD : H I J K L M N O!!
TEACHER : What are you talking about?
DONALD : Yesterday you said it's H to O!
TEACHER : Donald, what is the chemical formula for water?
DONALD : H I J K L M N O!!
TEACHER : What are you talking about?
DONALD : Yesterday you said it's H to O!