There is a girl on a unicycle and a child on a scooter.
Two friends are trying out their new toys.
A girl and a child does not imply they are friends.
exists p1 x1 x2 x3 x4 x5 x6.((x1 = x2) & subset_of(x5,x2) & on(x5,x6) & n_scooter(x6) & n_child(x5) & subset_of(x3,x2) & on(x3,x4) & n_unicycle(x4) & n_girl(x3))
exists e1 s1 s2 x1 x2.(a_out(s2) & Manner(e1,s2) & Theme(e1,x2) & Actor(e1,x1) & v_try(e1) & n_toy(x2) & a_new(s1) & Theme(s1,x2) & of(x2,x1) & n_thing(x1) & n_friend(x1) & card_eq_2(x1))