one thing you do when you Smoke is Fire. Mood would make you want to Smoke. Mood is related to Calm. Calm is related to Still. 
Beast is a type of Book. you are likely to find Poem in/at/on Book. Poem can be used for Class. 
Fire <--HasSubevent-- Smoke <--CausesDesire-- Mood <--RelatedTo--> Calm <--RelatedTo--> Still 
Beast --IsA--> Book <--AtLocation-- Poem --UsedFor--> Class 