Report is related to Classroom. you are likely to find Wall in/at/on Classroom. you are likely to find Calendar in/at/on Wall. Calendar is related to Time. 
Remember is related to Thought. Reading can cause/lead to Thought. 
Report <--RelatedTo--> Classroom <--AtLocation-- Wall <--AtLocation-- Calendar <--RelatedTo--> Time 
Remember <--RelatedTo--> Thought <--Causes-- Reading 