Three workmen wearing safety hats stand in front of a tractor designed for hauling a large tunnel tube.
The men stand next to a tractor.
Three workmen are men, and stand in front of a tractor implies stand next to a tractor.
exists e3 e1 e4 e2 s1 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10.(in(e2,x5) & of(x5,x6) & for(e3,e4) & Theme(e4,x9) & Actor(e4,x8) & v_haul(e4) & n_tube(x9) & of(x9,x10) & n_tunnel(x10) & a_large(s1) & Theme(s1,x9) & Theme(e3,x7) & v_design(e3) & (x6 = x7) & n_tractor(x6) & n_front(x5) & Actor(e2,x1) & v_stand(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_hat(x3) & of(x3,x4) & n_safety(x4) & (x1 = x2) & n_workman(x1) & card_eq_3(x1))
exists e1 p1 x1.(n_man(x1) & exists s1 x2.(to(s1,x2) & n_tractor(x2) & Theme(s1,x1) & a_next(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_stand(e1))