Review is a type of Exercise. you are likely to find Exercise in/at/on Gym. Gym is related to Spot. 
Occasional is a different concept from Common. Common is a different concept from Unusual. Unusual is related to Punishment. Punishment is related to Due. 
Review --IsA--> Exercise --AtLocation--> Gym <--RelatedTo--> Spot 
Occasional <--DistinctFrom--> Common <--DistinctFrom--> Unusual <--RelatedTo--> Punishment <--RelatedTo--> Due 