Two small children try to ride a large two wheeled bike.
The kids are riding an aeroplane.
aeroplane and bike are different vehicles
exists e1 p1 s1 x1.(Topic(e1,p1) & Actor(e1,x1) & v_try(e1) & exists e2 s2 s3 x2.(Theme(e2,x2) & Actor(e2,x1) & v_ride(e2) & n_bike(x2) & a_wheeled(s3) & Theme(s3,x2) & card_eq_2(x2) & a_large(s2) & Theme(s2,x2)) & n_child(x1) & a_small(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 x1 x2.(n_kid(x1) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_aeroplane(x2))