Variety is part of Species. Variety is related to Life. Birth is part of Life. 
Interact is a type of Act. Act is a synonym of Represent. Represent is related to Stand. Stand is the opposite of Dance. 
Species <--PartOf-- Variety <--RelatedTo--> Life <--PartOf-- Birth 
Interact --IsA--> Act <--Synonym--> Represent <--RelatedTo--> Stand <--Antonym--> Dance 