3. [2x5=10 points] 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: (a) Not everyone in your class has an Internet connection. (b) Exactly one student in your class has an Internet connection. (Do not use Uniqueness quantifier; use only universal and existential quantifiers as needed) (c) Everyone except one student in your class has an Internet connection. (d) Everyone in your class with an Internet connection has chatted over the Internet with at least one other student in your class. (e) Jack is a student in your class and everyone except Jack in your class has an Internet connection