Black is related to Darkness. Darkness is related to Like. Like is related to Sign. Sign is related to Hazard. 
Pay is related to Expense. Expense is related to Fee. Fee is related to Admission. 
Black <--RelatedTo--> Darkness <--RelatedTo--> Like <--RelatedTo--> Sign <--RelatedTo--> Hazard 
Pay <--RelatedTo--> Expense <--RelatedTo--> Fee <--RelatedTo--> Admission 