∀x (CDPlayer(x) → DelicateMechanism(x))
∀x (DelicateMechanism(x) → ¬(Toy(x) ∧ SuitableFor(x, children)))
∃x ∃y (CDPlayer(x) ∧ CDPlayer(y) ∧ Toy(x) ∧ Toy(y) ∧ SuitableFor(x, children) ∧ SuitableFor(y, children) ∧ ¬(x=y))