a person wearing a black and pink outfit and hat riding atop a unicycle down the street.
They fly along like superman
"They" is usually plural, while "a person" is usually singular. Fly and riding atop unicycle are different activities.
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 e1 s1 x1.(like(e1,x1) & n_superman(x1) & a_along(s1) & Manner(e1,s1) & Actor(e1,x1) & v_fly(e1) & n_thing(x1))