Translate the following inference to logic notation: For all x, x_7 is a bartender and x_7 will drink water. For all x, x_7 will work and x_7 will take a plane. Therefore for all x, x_7 is a bartender and x_7 will work.
forall x: P(x) and Q(x). forall x: R(x) and S(x). Therefore forall x: P(x) and R(x).