Consider the first-order logic sentence F: ∀x (∃ y R(x, y)). Assuming no-empty logical domains, which of the sentence below are implied by F?∃y (∃x R(x, y))∃y (∀x R(x, y))∀y (∃x R(x, y))¬ ∃x (∀y ¬ R(x, y))

• A. IV only
• B. I and IV only
• C. II only
• D. II and III only