Struggle is a synonym of Fight. Fight is related to Activity. 
Beef is related to Guard. Guard is related to Occupation. Photography is a type of Occupation. Photography is related to Still. 
Struggle <--Synonym--> Fight <--RelatedTo--> Activity 
Beef <--RelatedTo--> Guard <--RelatedTo--> Occupation <--IsA-- Photography <--RelatedTo--> Still 