Task: Question Answering
Input (English): Problem: a certain experimental mathematics program was tried out in 2 classes in each of 38 elementary schools and involved 44 teachers. each of the classes had 1 teacher and each of the teachers taught at least 1, but not more than 3, of the classes. if the number of teachers who taught 3 classes is n, then the least and greatest possible values of n, respectively, are
Options: a. 0 and 13, b. 0 and 14, c. 0 and 16, d. 1 and 9, e. 2 and 8
Output (English): c