Teaching is related to Lesson. 
Smile is related to Laugh. Laugh is the opposite of Cry. the first thing you do when you Lonely is Cry. Lonely is related to Miss. 
Teaching <--RelatedTo--> Lesson 
Smile <--RelatedTo--> Laugh <--Antonym--> Cry <--HasFirstSubevent-- Lonely <--RelatedTo--> Miss 