Laser can be used for Fun. Fun is related to Happy. Happy is a synonym of Suitable. Suitable is similar to Eligible. 
Lead is a type of Section. Section is related to Morning. Morning is the opposite of Afternoon. 
Laser --UsedFor--> Fun <--RelatedTo--> Happy <--Synonym--> Suitable <--SimilarTo--> Eligible 
Lead --IsA--> Section <--RelatedTo--> Morning <--Antonym--> Afternoon 