Chance is related to Bet. Bet is related to Wage. 
Spend is a type of Pay. Pay is related to Afford. Afford is related to Budget. Budget is related to Spending. 
Chance <--RelatedTo--> Bet <--RelatedTo--> Wage 
Spend --IsA--> Pay <--RelatedTo--> Afford <--RelatedTo--> Budget <--RelatedTo--> Spending 