Ten students Arnold, Brad, Charlotte, Danielle, Evan, Francine, Gabrielle, Hap, Ida and Joshua each choose one classroom assignment.
There are four assignments from which to choose:
Room Cleanup, Designing Bulletin Boards, Publishing the Class Newspaper and Arranging Desks.
The Bulletin Boards group has one les student than the Rom Cleanup group.
Arnold, Brad and Charlotte do not join the Room Cleanup crew, individually or as a group.
None of the students joins the Arranging Desks group.
Danielle, Evan and Francine do not design Bulletin Boards, individually or as a group.
Gabrielle, Hap and Ida do not join the Newspaper staff, individually or as a group.
Joshua joins the Newspaper staff.