Originally Posted by moomin
This is particularly confounding for kids as these same teachers are often very encouraging of extra-information in classroom discussions, where it serves to keep conversation moving and adds color and interest to the material being covered.

OK. Now, I am beginning to understand what you are saying. Thank you!
The student is to write only what was taught by the teacher and to not add any extraneous information, no matter how relevant it is. Thant would ensure most teachers not docking points off the answers.