Two men in the construction industry are surveying their work space.
The two men are preparing to build a wall.
Just because two men are surveying their work space doesn't mean it's because they are preparing to build a wall.
exists e1 x1 x2 x3 x4 x5.(n_space(x4) & of(x4,x5) & n_work(x5) & of(x4,x2) & n_thing(x2) & n_industry(x2) & of(x2,x3) & n_construction(x3) & Theme(e1,x4) & Actor(e1,x1) & v_survey(e1) & in(x1,x2) & n_man(x1) & card_eq_2(x1))
exists e1 p1 x1.(n_man(x1) & card_eq_2(x1) & Topic(e1,p1) & Actor(e1,x1) & v_prepare(e1) & exists e2 x2.(Theme(e2,x2) & Actor(e2,x1) & v_build(e2) & n_wall(x2)))