A man laughs while moving with one two-wheeled push scooter on each foot.
The man is riding scooters on the street.
Not all man are riding scooters on the street.
exists e2 e1 s1 x1 x2 x3.(all x4.(n_foot(x4) -> (while(e1,e2) & on(e2,x4))) & with(e2,x3) & n_push(x3) & a_two-wheeled(s1) & Theme(s1,x3) & card_eq_1(x3) & Theme(e2,x2) & Actor(e2,x1) & v_move(e2) & n_scooter(x2) & Actor(e1,x1) & v_laugh(e1) & n_man(x1))
exists e1 x1 x2 x3.(n_street(x3) & n_man(x1) & on(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_scooter(x2))