Jaw is related to Body. Body is related to Elbow. 
Seminar is a type of Conference. you are likely to find People in/at/on Conference. you are likely to find People in/at/on Building. Building is related to Make. 
Jaw <--RelatedTo--> Body <--RelatedTo--> Elbow 
Seminar --IsA--> Conference <--AtLocation-- People --AtLocation--> Building <--RelatedTo--> Make 