Trainer is a synonym of Coach. Coach is related to Person. Person wants (to) Busy. Busy is related to Signal. 
Symbol is related to Ring. Ring is related to Offer. Offer is related to Gift. Gifted is a form of Gift. 
Trainer <--Synonym--> Coach <--RelatedTo--> Person --Desires--> Busy <--RelatedTo--> Signal 
Symbol <--RelatedTo--> Ring <--RelatedTo--> Offer <--RelatedTo--> Gift <--FormOf-- Gifted 