Thing is related to Bell. Bell is a type of Opening. Opening is a synonym of Slot. 
Satisfy is related to Glad. Glad is related to Wait. Wait is related to Instruction. 
Thing <--RelatedTo--> Bell --IsA--> Opening <--Synonym--> Slot 
Satisfy <--RelatedTo--> Glad <--RelatedTo--> Wait <--RelatedTo--> Instruction 