Emotional is related to Smile. Smile is related to Spread. Spread is a type of Extension. Extension is related to Point. 
Laugh is related to Expression. Dancing can cause/lead to Expression. Dancing is related to Stage. 
Emotional <--RelatedTo--> Smile <--RelatedTo--> Spread --IsA--> Extension <--RelatedTo--> Point 
Laugh <--RelatedTo--> Expression <--Causes-- Dancing <--RelatedTo--> Stage 