Many people are rollerblading down the street.
The men bike down the busy road.
The people cannot be rollerblading and riding bikes simultaneously.
exists e1 x1 x2.(n_street(x2) & down(e1,x2) & Actor(e1,x1) & v_rollerblade(e1) & n_people(x1) & n_quantity(x1))
exists s1 x1 x2 x3.(n_road(x3) & a_busy(s1) & Theme(s1,x3) & n_bike(x1) & of(x1,x2) & n_man(x2) & a_topic(x1) & down(x1,x3))