A man in a plaid shirt works on his knees near a blue truck.
Man is looking for something.
It cannot be inferred that the man has eyes to look for an object, or that while he is working that there would be necessarily something for which he would need to look.
exists e1 s1 x1 x2 x3 x4 x5.(near(e1,x5) & n_truck(x5) & a_blue(s1) & Theme(s1,x5) & on(e1,x4) & n_knee(x4) & of(x4,x1) & n_male(x1) & Actor(e1,x1) & v_work(e1) & in(x1,x2) & n_shirt(x2) & of(x2,x3) & n_plaid(x3) & n_man(x1))
exists e1 x1 x2.(for(e1,x2) & n_thing(x2) & Actor(e1,x1) & v_look(e1) & n_man(x1))