Big is related to Bat. you are likely to find Bat in/at/on Tree. Tree is related to Living. Living is related to Household. 
Electricity is related to Station. Station is related to Channel. Channel is related to News. 
Big <--RelatedTo--> Bat --AtLocation--> Tree <--RelatedTo--> Living <--RelatedTo--> Household 
Electricity <--RelatedTo--> Station <--RelatedTo--> Channel <--RelatedTo--> News 