Ride is related to Travel. Follow is a type of Travel. Follow is the opposite of Trail. 
Portrait is related to Painting. Ceiling can be used for Painting. Ceiling is related to Wall. 
Ride <--RelatedTo--> Travel <--IsA-- Follow <--Antonym--> Trail 
Portrait <--RelatedTo--> Painting <--UsedFor-- Ceiling <--RelatedTo--> Wall 