A young boy in a black cap and shirt looks down while next to a person in a polka dotted shirt.
A girl does tricks on a bike.
It is either a boy or girl and cannot be doing tricks on a bike while he looks down while next to another person.
exists e2 e1 s1 s2 x1 x2 x3 x4 x5 x6 x7 x8.(to(e1,x6) & in(x6,x7) & n_shirt(x7) & Theme(e2,x7) & v_dot(e2) & of(x7,x8) & n_polka(x8) & n_person(x6) & r_next(e1) & down(e1,x5) & n_while(x5) & Actor(e1,x1) & v_look(e1) & in(x1,x2) & n_shirt(x4) & n_cap(x3) & subset_of(x4,x2) & subset_of(x3,x2) & a_black(s2) & Theme(s2,x2) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(on(e1,x3) & n_bike(x3) & Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & n_trick(x2) & n_girl(x1))