you would Talk because Teach. Talk is related to Speak. Mouth can be used for Speak. Mouth is related to Taste. 
Link is related to Text. Text is related to Story. Story is related to Column. Column is related to Statue. 
Teach <--MotivatedByGoal-- Talk <--RelatedTo--> Speak <--UsedFor-- Mouth <--RelatedTo--> Taste 
Link <--RelatedTo--> Text <--RelatedTo--> Story <--RelatedTo--> Column <--RelatedTo--> Statue 