premise: A firefighter is working at a fire.
hypothesis: A firefighter is at home with the flu.
explanation_1: A firefighter cannot be work at a fire and at home with the flu simultaneously.
premise_logic: exists e1 x1 x2.(at(e1,x2) & n_fire(x2) & Actor(e1,x1) & v_work(e1) & n_firefighter(x1))
hypothesis_logic: exists p1 x1 x3.(n_flu(x3) & exists x2.(at(x1,x2) & with(x2,x3) & n_home(x2)) & n_firefighter(x1))
premise_sim: exists e1 x1 x2.(v_work(e1) & n_firefighter(x1) & n_fire(x2) & at(e1,x2) & Actor(e1,x1))
hypothesis_sim: exists x1 x3.(n_flu(x3) & n_firefighter(x1) & exists x2.(with(x2,x3) & n_home(x2) & at(x1,x2)))