An old man with a white beard tills the ground.
An old man is going to plant vegetables.
Just because the man is tilling the ground, does not mean that he is going to plant vegetables.
exists e1 s1 s2 x1 x2 x3.(n_ground(x3) & Theme(e1,x3) & Actor(e1,x1) & v_till(e1) & with(x1,x2) & n_beard(x2) & a_white(s2) & Theme(s2,x2) & n_man(x1) & a_old(s1) & Theme(s1,x1))
exists e1 p1 s1 x1.(Topic(e1,p1) & Actor(e1,x1) & v_go(e1) & exists e2 x2.(Theme(e2,x2) & Actor(e2,x1) & v_plant(e2) & n_vegetable(x2)) & n_man(x1) & a_old(s1) & Theme(s1,x1))