Sheep is related to Wife. Wife is related to Woman. 
Cooperation is related to Pass. Pass is a synonym of Approve. Approve is a synonym of Accept. Accept is a synonym of Obtain. 
Sheep <--RelatedTo--> Wife <--RelatedTo--> Woman 
Cooperation <--RelatedTo--> Pass <--Synonym--> Approve <--Synonym--> Accept <--Synonym--> Obtain 