Pulse is a type of Rate. Rate is related to Fee. Fee is related to Admission. Admission is a type of Entrance. 
Psychology is related to Ill. Ill is a synonym of Ugly. Ugly is related to Creature. Creature is related to Baby. 
Pulse --IsA--> Rate <--RelatedTo--> Fee <--RelatedTo--> Admission --IsA--> Entrance 
Psychology <--RelatedTo--> Ill <--Synonym--> Ugly <--RelatedTo--> Creature <--RelatedTo--> Baby 