a little girl and a little boy being pushed in a red wagon decorated with the american flag.
The girl and boy are in a black wagon.
The kids can't be in a red wagon and a black wagon at the same time.
exists e1 e2 s1 s2 s3 s4 s5 x1 x2 x3 x4 x5 x6.(n_flag(x6) & a_american(s5) & Theme(s5,x6) & a_topic(s1) & subset_of(x2,s1) & in(e1,x4) & with(e2,x6) & Theme(e2,x5) & v_decorate(e2) & (x4 = x5) & n_wagon(x4) & a_red(s4) & Theme(s4,x4) & Theme(e1,x3) & v_push(e1) & (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 x2 x3.(n_boy(x3) & n_girl(x2) & subset_of(x3,x1) & subset_of(x2,x1) & exists s1 x4.(in(x1,x4) & n_wagon(x4) & a_black(s1) & Theme(s1,x4)))