Select the best translation into predicate logic. Some firefighters rescue victims from danger. (Dx: x is danger; Fx: x is a firefighter; Vx: x is a victim; Rxyz: x rescues y from z)
(A)(∃x){Fx • (∀y)[Dy ⊃ (∃z)(Vz • Rxyz)]} (B)(∃x){Fx • (∃y)[Vy • (∃z)(Dz • Rxyz)]} (C)(∃x){Fx • (∃y)(∃z)[(Vy • Dz) • Rxzy]} (D)(∀x){Fx ⊃ (∃y)[Vy . (∃z)(Dz • Rxyz)]}
B