Little girl and little boy riding scooters down pathway.
Two kids are on bicycles.
cant be riding scooters and bicycles at the same time
exists e1 s1 s2 s3 x1 x2 x3 x4 x5.(a_topic(s1) & subset_of(x2,s1) & down(e1,x5) & n_pathway(x5) & Theme(e1,x4) & Actor(e1,x3) & v_ride(e1) & n_scooter(x4) & (x2 = x3) & n_boy(x2) & a_little(s3) & Theme(s3,x2) & subset_of(x1,s1) & n_girl(x1) & a_little(s2) & Theme(s2,x1))
exists p1 x1.(exists x2.(on(x1,x2) & n_bicycle(x2)) & n_kid(x1) & card_eq_2(x1))