premise: Men standing on scaffolding are working.
hypothesis: Men are at work on a building.
explanation_1: If the men are on the building, they must be standing on scaffolding.
premise_logic: exists e1 x1 x2 x3.(Actor(e1,x1) & v_work(e1) & on(x1,x3) & n_scaffolding(x3) & n_standing(x1) & of(x1,x2) & n_man(x2))
hypothesis_logic: exists p1 x1.(exists x2 x3.(at(x1,x2) & on(x2,x3) & n_building(x3) & n_work(x2)) & n_man(x1))
premise_sim: exists e1 x1 x2 x3.(v_work(e1) & on(x1,x3) & of(x1,x2) & n_standing(x1) & n_scaffolding(x3) & n_man(x2) & Actor(e1,x1))
hypothesis_sim: exists x1.(n_man(x1) & exists x2 x3.(on(x2,x3) & n_work(x2) & n_building(x3) & at(x1,x2)))