Group vs Team and types of communication

1). Our definition of a group is somewhat broad. Would you classify each of the following collections of people as a group? Explain why or why not.
a. 70 000 people at a football game
b. Students taking this course
c. People in an elevator
d. People on an escalator
e. Employees of IBM
f. Employees of the Strayer University bookstore

2). A college classroom is a forum for a typical attempt at communication as the professor tries to communicate the subject to the students. Describe classroom communication in terms of the basic communication process outlined in chapter 11.