Ok is related to Fix. Fix is related to Item. Item is related to Shell. 
Various is a synonym of Diverse. Fish can be Diverse. Fish is related to Place. Place is related to Work. 
Ok <--RelatedTo--> Fix <--RelatedTo--> Item <--RelatedTo--> Shell 
Various <--Synonym--> Diverse <--HasProperty-- Fish <--RelatedTo--> Place <--RelatedTo--> Work 