Firm is the opposite of Gentle. Gentle is a synonym of Light. Light is a type of Scene. Scene is a synonym of Shot. 
Convey is a synonym of Send. Send is related to Bill. Bill is related to Date. Date is a type of Supply. 
Firm <--Antonym--> Gentle <--Synonym--> Light --IsA--> Scene <--Synonym--> Shot 
Convey <--Synonym--> Send <--RelatedTo--> Bill <--RelatedTo--> Date --IsA--> Supply 