Line is a type of Lie. you are likely to find Line in/at/on Play. Play is the opposite of Trick. Trick is related to Expertise. 
Speaker is a type of Product. Speaker is related to Box. Box is related to Player. you are likely to find Player in/at/on Stadium. 
Lie <--IsA-- Line --AtLocation--> Play <--Antonym--> Trick <--RelatedTo--> Expertise 
Product <--IsA-- Speaker <--RelatedTo--> Box <--RelatedTo--> Player --AtLocation--> Stadium 