Two people in bright orange coats are working on some piece of equipment that is dealing with a train.
Two engineers are fixing some equipment in a railyard.
two people are not necessarily engineers
exists e1 e2 s1 x1 x2 x3 x4 x5 x6 x7.(on(e1,x4) & with(e2,x7) & n_train(x7) & Actor(e2,x6) & v_deal(e2) & (x4 = x6) & of(x4,x5) & n_equipment(x5) & n_piece(x4) & Actor(e1,x1) & v_work(e1) & in(x1,x2) & n_coat(x2) & of(x2,x3) & n_orange(x3) & a_bright(s1) & Theme(s1,x2) & n_people(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(in(e1,x3) & n_railyard(x3) & Theme(e1,x2) & Actor(e1,x1) & v_fix(e1) & n_equipment(x2) & n_engineer(x1) & card_eq_2(x1))