A boy runs on colorful lines.
There is a kid running
A boy is a kid and therefore the boy is running on colorful lines.
exists e1 s1 x1 x2.(on(e1,x2) & n_line(x2) & a_colorful(s1) & Theme(s1,x2) & Actor(e1,x1) & v_run(e1) & n_boy(x1))
exists p1 x1 e1 x2 x3.((x1 = x2) & Actor(e1,x3) & v_run(e1) & (x2 = x3) & n_kid(x2))