premise: Three construction workers are working on a scaffolding.
hypothesis: Three workers are on a tractor
explanation_1: Three workers are either on a scaffolding or on a tractor
premise_logic: exists e1 x1 x2 x3.(on(e1,x3) & n_scaffolding(x3) & Actor(e1,x1) & v_work(e1) & n_worker(x1) & of(x1,x2) & n_construction(x2) & card_eq_3(x1))
hypothesis_logic: exists p1 x1.(exists x2.(on(x1,x2) & n_tractor(x2)) & n_worker(x1) & card_eq_3(x1))
premise_sim: exists e1 x1 x2 x3.(v_work(e1) & on(e1,x3) & of(x1,x2) & n_worker(x1) & n_scaffolding(x3) & n_construction(x2) & card_eq_3(x1) & Actor(e1,x1))
hypothesis_sim: exists x1.(n_worker(x1) & exists x2.(on(x1,x2) & n_tractor(x2)) & card_eq_3(x1))