A couple guys splash through water wearing hard hats.
The guys are coworkers.
Just because guys splash through water wearing hard hats does not necessarily mean they are coworkers.
exists e1 e2 s1 x1 x2 x3 x4.(for(e1,e2) & Theme(e2,x4) & Actor(e2,x1) & v_wear(e2) & n_hat(x4) & a_hard(s1) & Theme(s1,x4) & through(e1,x3) & n_water(x3) & Actor(e1,x1) & v_splash(e1) & n_guy(x1) & of(x1,x2) & n_couple(x2))
exists p1 x1.(n_guy(x1) & exists x2.((x1 = x2) & n_coworker(x2)))