Hear is the opposite of Talk. Talk is related to Oral. Oral is related to Testimony. Testimony is related to Account. 
Theme is related to Party. Party is a different concept from Work. 
Hear <--Antonym--> Talk <--RelatedTo--> Oral <--RelatedTo--> Testimony <--RelatedTo--> Account 
Theme <--RelatedTo--> Party <--DistinctFrom--> Work 