In a universe where programming paradigms are alive and visible, you play as Lex, a quirky coder who has discovered a hidden conspiracy among the various programming languages. As Lex, you must navigate the realms of functional and object-oriented programming to uncover the truth behind the Expression Problem. Utilize your coding skills and innovative problem-solving to engage with sentient syntax trees and programming constructs that challenge your understanding of duality. Each choice you make alters the narrative and the world around you, leading to multiple unique endings based on how you interact with both consumers and producers of code. Can you forge a path to harmony between the two paradigms and expose the overarching deception?