Score is a type of Fact. Score is related to Result. Result is related to Difference. 
Health is related to Exercise. Exercise is a type of Lesson. Lesson is related to Lecture. Preach is a type of Lecture. 
Fact <--IsA-- Score <--RelatedTo--> Result <--RelatedTo--> Difference 
Health <--RelatedTo--> Exercise --IsA--> Lesson <--RelatedTo--> Lecture <--IsA-- Preach 