If Stephen Curry is not a centerback and a defender, then Stephen Curry is neither a soccer player nor a professional basketball player.
Some defenders are centerback. All defenders are soccer players. No soccer players are professional basketball players. All NBA players are professional basketball players. Stephen Curry is an NBA player.
∃x (Defender(x) ∧ Centerback(x)) ∀x (Defender(x) → SoccerPlayer(x)) ¬(∃x (SoccerPlayer(x) ∧ ProfessionalBasketballPlayer(x))) ∀x (NBAPlayer(x) → ProfessionalBasketballPlayer(x)) NBAPlayer(stephencurry)