12. Let I(x) be the statement x has an Internet connection" and C(x, y) be the statement x and y have chatted over the Internet, where the domain for the variables x and y consists of all students in your class. Use quantifiers to express each of these statements. d) No one in the class has chatted with Bob. e) Sanjay has chatted with everyone except Joseph. 1) There are two students in your class who have not chatted with each other over the Internet. m) There is a student in your class who has chatted with everyone in your class over the Internet. 0) There are two students in the class who between them have chatted with everyone else in the class