It is rude to be bossy.
Jenna was working with her classmates to make a poster for history class.
Jenna wants to make sure they get an A.
Jenna concentrates on doing her part of the poster well and gives her classmates occasional advice.
Jenna tells her classmates exactly how to do every part of the poster.
Jenna's group gets an A and thanks her for her help.
Jenna's group gets an A, but all of her group mates are angry at her by the end.