A child runs through a field.
The child is running.
A child runs through a field means that the child runs.
exists e1 x1 x2.(through(e1,x2) & n_field(x2) & Actor(e1,x1) & v_run(e1) & n_child(x1))
exists e1 x1.(n_child(x1) & Actor(e1,x1) & v_run(e1))