premise: A man is sitting on the ground welding something.
hypothesis: A welder is working at his job.
explanation_1: Just because a man is welding something doesn't mean that he is a welder. Just because a man is welding doesn't mean that he is working at his job.
premise_logic: exists e1 e2 x1 x2 x3 x4.(n_ground(x2) & on(e1,x2) & Theme(e2,x4) & Actor(e2,x3) & v_weld(e2) & n_thing(x4) & (x2 = x3) & Actor(e1,x1) & v_sit(e1) & n_man(x1))
hypothesis_logic: exists e1 x1 x2.(at(e1,x2) & n_job(x2) & of(x2,x1) & n_male(x1) & Actor(e1,x1) & v_work(e1) & n_welder(x1))
premise_sim: exists e1 e2 x1 x2 x3 x4.(v_weld(e2) & v_sit(e1) & on(e1,x2) & n_thing(x4) & n_man(x1) & n_ground(x2) & Theme(e2,x4) & Actor(e2,x3) & Actor(e1,x1) & (x2 = x3))
hypothesis_sim: exists e1 x1 x2.(v_work(e1) & of(x2,x1) & n_welder(x1) & n_male(x1) & n_job(x2) & at(e1,x2) & Actor(e1,x1))