Two children, one of which is being helped by an adult in a tank top to ride a bike.
Two children riding a horse down the street.
Two children can't ride a bike and horse at the same time.
exists e1 p1 x1 x2 x3 x4 x5 x6.(in(e1,x5) & Topic(x5,p1) & exists e2 x7.(Theme(e2,x7) & Actor(e2,x5) & v_ride(e2) & n_bike(x7)) & n_top(x5) & of(x5,x6) & n_tank(x6) & Actor(e1,x4) & n_adult(x4) & Theme(e1,x3) & v_help(e1) & of(x3,x2) & n_one(x3) & a_topic(x1) & (x1 = x2) & n_child(x1) & card_eq_2(x1))
exists e1 x1 x2 x3 x4.(n_street(x4) & a_topic(x1) & down(e1,x4) & Theme(e1,x3) & Actor(e1,x2) & v_ride(e1) & n_horse(x3) & (x1 = x2) & n_child(x1) & card_eq_2(x1))