Lion wants (to) Mate. Mate is a type of Officer. Officer is a type of Leader. Trainer is a type of Leader. 
Speak is a synonym of Articulate. Articulate is a type of State. 
Lion --Desires--> Mate --IsA--> Officer --IsA--> Leader <--IsA-- Trainer 
Speak <--Synonym--> Articulate --IsA--> State 