Two white people are laughing on horses while a dark-skinned man stands around in front of them.
Two people are laughing at the dark-skinned man.
Just because they are laughing on the horse doesn't mean they are laughing at the dark-skinned man.
exists e1 p1 s1 x1 x2.(exists e2 p2 s2 x3 x4.(in(e2,x4) & of(x4,x1) & n_front(x4) & exists s3.(Theme(s3,x3) & a_around(s3)) & Topic(e2,p2) & Actor(e2,x3) & v_stand(e2) & n_man(x3) & a_dark-skinned(s2) & Theme(s2,x3)) & n_thing(x1) & while(e1,p1) & on(e1,x2) & n_horse(x2) & Actor(e1,x1) & v_laugh(e1) & n_people(x1) & a_white(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 s1 x1 x2.(n_man(x2) & a_dark-skinned(s1) & Theme(s1,x2) & at(e1,x2) & Actor(e1,x1) & v_laugh(e1) & n_people(x1) & card_eq_2(x1))