Rolling is a form of Roll. Roll is related to Shake. Shake is related to Gesture. Shrug is a type of Gesture. 
Seal is related to Marine. Marine is related to Sea. Sea is related to Living. Living is related to Creature. 
Rolling --FormOf--> Roll <--RelatedTo--> Shake <--RelatedTo--> Gesture <--IsA-- Shrug 
Seal <--RelatedTo--> Marine <--RelatedTo--> Sea <--RelatedTo--> Living <--RelatedTo--> Creature 