Forget is derived from Get. Forget is related to Elder. Elder is related to Chief. Chief is related to Status. 
Stretch is related to Health. Health is related to Psychologist. 
Get <--DerivedFrom-- Forget <--RelatedTo--> Elder <--RelatedTo--> Chief <--RelatedTo--> Status 
Stretch <--RelatedTo--> Health <--RelatedTo--> Psychologist 