When parents call to say that children are sick, we have to let their classroom teachers know, and if its sports day and the child is on a school team, the sports teacher needs to know. We will also need to count up all the days missed for each child to put on the childs report. The Department of Education needs the totals each term, too. Assume that the main objectives are to record the absences for the classroom teacher, for school reports, and for statistics given to the Department of Education.

1. Sketch data input use cases.

2. Sketch a first data model. Include appropriate optionality and cardinality (explaining your choices).

3. Sketch information output use cases.