Colleague is related to Mate. Mate is a type of Animal. you are likely to find Muscle in/at/on Animal. Muscle is related to Definition. 
Roll is related to Motion. Motion is a synonym of Question. 
Colleague <--RelatedTo--> Mate --IsA--> Animal <--AtLocation-- Muscle <--RelatedTo--> Definition 
Roll <--RelatedTo--> Motion <--Synonym--> Question 