you are likely to find Horse in/at/on Olympics. Horse is related to Carrier. Carrier is a type of Chemical. Acid is a type of Chemical. 
Pitch is a synonym of Delivery. Delivery is related to Express. Express is related to Hurry. Hurry is etymologically related to Horse. 
Olympics <--AtLocation-- Horse <--RelatedTo--> Carrier --IsA--> Chemical <--IsA-- Acid 
Pitch <--Synonym--> Delivery <--RelatedTo--> Express <--RelatedTo--> Hurry --EtymologicallyRelatedTo--> Horse 