Drill is a type of Learn. Learn is related to Job. Job is related to Act. 
Vocal is a synonym of Loud. Loud is related to Chicken. Chicken is related to Mate. 
Drill --IsA--> Learn <--RelatedTo--> Job <--RelatedTo--> Act 
Vocal <--Synonym--> Loud <--RelatedTo--> Chicken <--RelatedTo--> Mate 