you are likely to find Beam in/at/on Barn. Barn is related to Stable. Stable is a type of Illness. Disease is a type of Illness. 
Regular is similar to Steady. Steady is similar to Sure. Sure is similar to Secure. Secure is related to Lock. 
Beam --AtLocation--> Barn <--RelatedTo--> Stable --IsA--> Illness <--IsA-- Disease 
Regular <--SimilarTo--> Steady <--SimilarTo--> Sure <--SimilarTo--> Secure <--RelatedTo--> Lock 