Teacher: What is the probability of choosing a vowel from the letters "MATHEMATICS?
Student 1: What is a vowel?
Teacher (to the entire class): Vowels are A E I O U.
Student 2: What is a vowel?
Teacher: A E I O U
Student 3: What is a vowel?
Teacher: VOWELS ARE A E I O U.
But I am accountable for their passing the regents.
(The students who asked were American born.)