Great is similar to Extraordinary. Extraordinary is the opposite of Normal. Normal is a synonym of Usual. 
Invent is related to Develop. Develop is related to Camera. Camera is related to Roll. 
Great <--SimilarTo--> Extraordinary <--Antonym--> Normal <--Synonym--> Usual 
Invent <--RelatedTo--> Develop <--RelatedTo--> Camera <--RelatedTo--> Roll 