Several men in hard hats are operating a giant pulley system.
The detectives operate a tool in the crime scene.
The detectives could be operating a giant pulley system in a crime scene.
exists e1 s1 s2 s3 x1 x2 x3 x4.(Theme(e1,x3) & Actor(e1,x1) & v_operate(e1) & n_system(x3) & of(x3,x4) & n_pulley(x4) & a_giant(s3) & Theme(s3,x3) & in(x1,x2) & n_hat(x2) & a_hard(s2) & Theme(s2,x2) & n_man(x1) & a_several(s1) & Theme(s1,x1))
exists e1 x1 x2 x3 x4.(n_scene(x3) & of(x3,x4) & n_crime(x4) & n_detective(x1) & in(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_operate(e1) & n_tool(x2))