you are likely to find Salt in/at/on Shelf. Salt is related to Basic. 
Committee is related to Decision. Decision is related to Mistake. Mistake can be used for Learning. Learning requires Thought. 
Shelf <--AtLocation-- Salt <--RelatedTo--> Basic 
Committee <--RelatedTo--> Decision <--RelatedTo--> Mistake --UsedFor--> Learning --HasPrerequisite--> Thought 