Element is a synonym of Beginning. Beginning is a different concept from Middle. you are likely to find Monkey in/at/on Middle. you are likely to find Monkey in/at/on Sentence. 
Person wants (to) Explain. Lover is a type of Person. 
Element <--Synonym--> Beginning <--DistinctFrom--> Middle <--AtLocation-- Monkey --AtLocation--> Sentence 
Explain <--Desires-- Person <--IsA-- Lover 