Sisters on a red four wheeler wanting to go for a ride.
Nobody wants to ride.
Sisters wanting to ride are not nobody.
exists e1 p1 s1 x1 x2 x3.(a_topic(x1) & on(x1,x2) & Topic(e1,p1) & Actor(e1,x3) & v_want(e1) & exists e2 x4.(for(e2,x4) & n_ride(x4) & Actor(e2,x3) & v_go(e2)) & (x2 = x3) & n_wheeler(x2) & card_eq_4(x2) & a_red(s1) & Theme(s1,x2) & n_sister(x1))
-exists e1 p1 x1.(Topic(e1,p1) & Actor(e1,x1) & v_want(e1) & exists e2.(Actor(e2,x1) & v_ride(e2)) & n_person(x1))