you are likely to find Horse in/at/on Olympics. you are likely to find Horse in/at/on Movie. you are likely to find Audience in/at/on Movie. you are likely to find Audience in/at/on Studio. 
Poem can be used for Class. Class is related to Lower. Lower is a synonym of Frown. 
Olympics <--AtLocation-- Horse --AtLocation--> Movie <--AtLocation-- Audience --AtLocation--> Studio 
Poem --UsedFor--> Class <--RelatedTo--> Lower <--Synonym--> Frown 