premise: A man is standing at a machine.
hypothesis: A woman is standing at a machine.
explanation_1: There is either a man or a woman standing at a machine.
explanation_2: The first sentence is about a man and the second sentence is about a woman.
explanation_3: A man is the opposite of a woman.
premise_logic: exists e1 x1 x2.(at(e1,x2) & n_machine(x2) & Actor(e1,x1) & v_stand(e1) & n_man(x1))
hypothesis_logic: exists e1 x1 x2.(at(e1,x2) & n_machine(x2) & Actor(e1,x1) & v_stand(e1) & n_woman(x1))
premise_sim: exists e1 x1 x2.(v_stand(e1) & n_man(x1) & n_machine(x2) & at(e1,x2) & Actor(e1,x1))
hypothesis_sim: exists e1 x1 x2.(v_stand(e1) & n_woman(x1) & n_machine(x2) & at(e1,x2) & Actor(e1,x1))