Two men in baseball hats and bright yellow shirts work behind a fence.
Construction workers are digging a hole behind the fence.
People working behind a fence are not necessarily digging a hole.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6.(behind(e1,x6) & n_fence(x6) & Actor(e1,x1) & v_work(e1) & in(x1,x2) & subset_of(x5,x2) & n_shirt(x5) & a_yellow(s2) & Theme(s2,x5) & a_bright(s1) & Theme(s1,x5) & subset_of(x3,x2) & n_hat(x3) & of(x3,x4) & n_baseball(x4) & n_man(x1) & card_eq_2(x1))
exists e1 x1 x2 x3 x4.(n_fence(x4) & behind(e1,x4) & Theme(e1,x3) & Actor(e1,x1) & v_dig(e1) & n_hole(x3) & n_worker(x1) & of(x1,x2) & n_construction(x2))