A girl rides a unicycle as another rides a scooter next to her.
A boy and a girl are riding together on bikes.
The girl is referenced to be with another girl on their own vehicles, not together with a boy on a bike.
exists e1 p1 x1 x2.(exists e2 x3 x4 x5.(Theme(e2,x4) & Actor(e2,x3) & v_ride(e2) & to(x5,x1) & next(x4,x5) & n_thing(x5) & n_scooter(x4) & n_thing(x3)) & n_female(x1) & as(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_unicycle(x2) & n_girl(x1))
exists e1 p1 x1 x2 x3 x4.(on(e1,x4) & n_bike(x4) & exists s1.(Theme(s1,x1) & a_together(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_ride(e1) & subset_of(x3,x1) & n_girl(x3) & subset_of(x2,x1) & n_boy(x2))