a person wearing a black and pink outfit and hat riding atop a unicycle down the street.
They are a circus performer
Just because they are riding a unicycle doesn't mean they are a circus performer.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6 x7 x8.(n_street(x8) & a_topic(x1) & atop(e1,x7) & down(x7,x8) & n_unicycle(x7) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_riding(x5) & of(x5,x6) & n_hat(x6) & n_outfit(x4) & subset_of(x5,x3) & subset_of(x4,x3) & a_pink(s2) & Theme(s2,x3) & a_black(s1) & Theme(s1,x3) & (x1 = x2) & n_person(x1))
exists p1 x1.(n_thing(x1) & exists x2 x3.((x1 = x2) & n_performer(x2) & of(x2,x3) & n_circus(x3)))