Province is a type of State. State is related to District. District is related to Capital. 
Bet is related to Casino. you are likely to find Change in/at/on Casino. Decrease is a type of Change. Decrease is a synonym of Plunge. 
Province --IsA--> State <--RelatedTo--> District <--RelatedTo--> Capital 
Bet <--RelatedTo--> Casino <--AtLocation-- Change <--IsA-- Decrease <--Synonym--> Plunge 