Hypothesis is the opposite of Fact. General is a type of Fact. General is related to Machine. Machine is related to Fan. 
Fur is a type of Coat. Coat is related to Thick. Thick is related to Book. 
Hypothesis <--Antonym--> Fact <--IsA-- General <--RelatedTo--> Machine <--RelatedTo--> Fan 
Fur --IsA--> Coat <--RelatedTo--> Thick <--RelatedTo--> Book 