Period is related to Modern. Modern is related to Fashion. Fashion is related to Popularity. 
Rocket is related to Launch. Launch is a synonym of Orbit. Orbit is related to Year. Year is related to Annual. 
Period <--RelatedTo--> Modern <--RelatedTo--> Fashion <--RelatedTo--> Popularity 
Rocket <--RelatedTo--> Launch <--Synonym--> Orbit <--RelatedTo--> Year <--RelatedTo--> Annual 