Sheep is related to Parent. Parent is related to Dog. Dog is related to Loyal. 
Convert is a synonym of Change. Change is a synonym of Accident. Accident is a synonym of Stroke. 
Sheep <--RelatedTo--> Parent <--RelatedTo--> Dog <--RelatedTo--> Loyal 
Convert <--Synonym--> Change <--Synonym--> Accident <--Synonym--> Stroke 