Rabbit is related to Long. Long is related to Speech. Speech is related to Discourse. 
Session is a type of Conference. Conference is a synonym of Talk. Talk is the opposite of Silent. Silent is a different concept from Noise. 
Rabbit <--RelatedTo--> Long <--RelatedTo--> Speech <--RelatedTo--> Discourse 
Session --IsA--> Conference <--Synonym--> Talk <--Antonym--> Silent <--DistinctFrom--> Noise 