Several men in red reflective vests, helmets, and face masks work in an area under construction.
three construcion workers work
Not all men are construcion workers. Several men who work in an area under construction doesn't necessarily mean three.
exists e1 s1 s2 s3 x1 x2 x3 x4 x5 x6 x7 x8.(in(e1,x7) & under(x7,x8) & n_construction(x8) & n_area(x7) & Actor(e1,x1) & v_work(e1) & subset_of(x5,x1) & n_mask(x5) & of(x5,x6) & n_face(x6) & subset_of(x2,x1) & in(x2,x3) & rel(x3,x4) & n_helmet(x4) & n_vest(x3) & a_reflective(s3) & Theme(s3,x3) & a_red(s2) & Theme(s2,x3) & n_man(x2) & a_several(s1) & Theme(s1,x2))
exists e1 x1 x2.(Actor(e1,x1) & v_work(e1) & n_worker(x1) & of(x1,x2) & n_construcion(x2) & card_eq_3(x1))