Men in hard hats are on a boat in the water with a large bridge and a mountain in the background.
several men are working on a bridge
Just because men in hard hats are on a boat in water does not mean they are working on a bridge.
exists p1 s1 s2 x1 x2 x3 x4 x5 x6 x8.(n_background(x6) & n_water(x8) & with(p1,x3) & subset_of(x5,x3) & in(x5,x6) & n_mountain(x5) & subset_of(x4,x3) & n_bridge(x4) & a_large(s2) & Theme(s2,x4) & exists x7.(on(x1,x7) & in(x7,x8) & n_boat(x7)) & in(x1,x2) & n_hat(x2) & a_hard(s1) & Theme(s1,x2) & n_man(x1))
exists e1 s1 x1 x2.(on(e1,x2) & n_bridge(x2) & Actor(e1,x1) & v_work(e1) & n_man(x1) & a_several(s1) & Theme(s1,x1))