premise: A man is carrying a child on his shoulders.
hypothesis: The man is driving a bus.
explanation_1: One cannot be carrying a child and driving a bus at the same time.
explanation_2: A man who is carrying a child can not be driving a bus.
explanation_3: Carrying a child and driving a bus is not possible at the same time.
premise_logic: exists e1 x1 x2 x3.(on(e1,x3) & n_shoulder(x3) & of(x3,x1) & n_male(x1) & Theme(e1,x2) & Actor(e1,x1) & v_carry(e1) & n_child(x2) & n_man(x1))
hypothesis_logic: exists e1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_drive(e1) & n_bus(x2))