Smile is related to Friendly. Friendly is related to Warm. Warm is a type of Change. Enable is a type of Change. 
Feedback is related to Report. Report is a synonym of Cover. 
Smile <--RelatedTo--> Friendly <--RelatedTo--> Warm --IsA--> Change <--IsA-- Enable 
Feedback <--RelatedTo--> Report <--Synonym--> Cover 