premise: Four construction workers, wearing neon vests, stand at a construction site along with some equipment.
hypothesis: The construction workers are at work.
explanation_1: For construction workers, 'construction site' is their workplace. So their being standing at a construction site implies that they are at work.
explanation_2: Four construction workers are construction workers, and with some equipment implies at work.
explanation_3: The workers are wearing neon vests, with equipment, at a construction site, so they are at work.
premise_logic: exists e1 x1 x2 x3 x4 x5 x6 x7 x8 x9.(Theme(e1,x3) & Actor(e1,x1) & v_wear(e1) & rel(x3,x5) & at(x5,x6) & with(x8,x9) & n_equipment(x9) & along(x6,x8) & n_thing(x8) & n_site(x6) & of(x6,x7) & n_construction(x7) & n_stand(x5) & n_vest(x3) & of(x3,x4) & n_neon(x4) & n_worker(x1) & of(x1,x2) & n_construction(x2) & card_eq_4(x1))
hypothesis_logic: exists p1 x1 x2.(n_worker(x1) & of(x1,x2) & n_construction(x2) & exists x3.(at(x1,x3) & n_work(x3)))
premise_sim: exists e1 x1 x2 x3 x4 x5 x6 x7 x8 x9.(with(x8,x9) & v_wear(e1) & rel(x3,x5) & of(x6,x7) & of(x3,x4) & of(x1,x2) & n_worker(x1) & n_vest(x3) & n_thing(x8) & n_stand(x5) & n_site(x6) & n_neon(x4) & n_equipment(x9) & n_construction(x7) & n_construction(x2) & card_eq_4(x1) & at(x5,x6) & along(x6,x8) & Theme(e1,x3) & Actor(e1,x1))
hypothesis_sim: exists x1 x2.(of(x1,x2) & n_worker(x1) & n_construction(x2) & exists x3.(n_work(x3) & at(x1,x3)))