A man is riding a blue scooter through town.
There is a man in a town.
If a man is riding through town, he must be in town, therefore, there is a man in a town.
exists e1 s1 x1 x2 x3.(through(e1,x3) & n_town(x3) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_scooter(x2) & a_blue(s1) & Theme(s1,x2) & n_man(x1))
exists p1 x1 x2.(in(p1,x2) & n_town(x2) & exists x3.((x1 = x3) & n_man(x3)))