Pit is a type of Depression. Depression would make you want to Die. Die is the opposite of Life. 
Member is etymologically related to Remember. Review is a type of Remember. Review is related to Film. Fighter is a type of Film. 
Pit --IsA--> Depression --CausesDesire--> Die <--Antonym--> Life 
Member --EtymologicallyRelatedTo--> Remember <--IsA-- Review <--RelatedTo--> Film <--IsA-- Fighter 