Alternative is related to Herb. Herb is related to Plant. Plant is related to Biology. 
Stage is a synonym of Represent. Represent is a synonym of Present. Present is the opposite of History. Historic is derived from History. 
Alternative <--RelatedTo--> Herb <--RelatedTo--> Plant <--RelatedTo--> Biology 
Stage <--Synonym--> Represent <--Synonym--> Present <--Antonym--> History <--DerivedFrom-- Historic 