Which First-Order Logic (FOL) formula correctly expresses the following English sentence? No region in South America borders any region in Europe. -3 c, d In(c, South America) - In(d, Europe) 1 Borders (c, d)]. Vc, d [In(c, SouthAmerica) In(d, Europe)]=-Borders(c,d)]. O -Vc In(c, SouthAmerica) = 3d In(d, Europe)a -Borders(c,d). Vc Inc, South America) VdIn(d, Europe) -Borders(c,d)