Cable is related to Tv. Tv is related to Impossible. Impossible is related to Accomplish. Accomplish is a synonym of Equip. 
Switch is related to Light. Light is related to Green. 
Cable <--RelatedTo--> Tv <--RelatedTo--> Impossible <--RelatedTo--> Accomplish <--Synonym--> Equip 
Switch <--RelatedTo--> Light <--RelatedTo--> Green 