Consciousness is a type of Experience. Experience entails/necessarily involves Perceive. Dream is a type of Perceive. Dream is related to Random. 
Large is similar to Significant. Significant is similar to Considerable. 
Consciousness --IsA--> Experience --Entails--> Perceive <--IsA-- Dream <--RelatedTo--> Random 
Large <--SimilarTo--> Significant <--SimilarTo--> Considerable 