Food is related to Energy. Sunlight is a type of Energy. Person wants (to) Sunlight. Chinese is a type of Person. 
Slope is related to Slip. Slip is a type of Pass. 
Food <--RelatedTo--> Energy <--IsA-- Sunlight <--Desires-- Person <--IsA-- Chinese 
Slope <--RelatedTo--> Slip --IsA--> Pass 