def case_determination(b, c):
    """Determine the Current Case in Terms of b and c."""

    # Case 1
    if b.min() >= 0 and c.min() >= 0:
        return 1
    # Case 2
    if b.min() >= 0 and c.min() < 0:
        return 2
    # Case 3
    if b.min() < 0:
        return 3