Three men are riding scooters down the street.
Guys on motorbikes are riding.
Men can be considered guys. Motorbikes is another term for scooters.
exists e1 x1 x2 x3.(n_street(x3) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & down(x2,x3) & n_scooter(x2) & n_man(x1) & card_eq_3(x1))
exists e1 x1 x2.(Actor(e1,x1) & v_ride(e1) & on(x1,x2) & n_motorbike(x2) & n_guy(x1))