The boy is playing with a colorful ribbon.
There is a young boy playing with a purple ribbon in a yard.
Just because the boy is playing does not mean he is young. The ribbon does not have to be purple to be colorful. Just because the boy is playing does not mean he is in a yard.
exists e1 s1 x1 x2.(n_boy(x1) & with(e1,x2) & n_ribbon(x2) & a_colorful(s1) & Theme(s1,x2) & Actor(e1,x1) & v_play(e1))
exists p1 x1 s1 s2 x2 x3 x4 x5.((x1 = x2) & with(x2,x4) & in(x4,x5) & n_yard(x5) & n_ribbon(x4) & a_purple(s2) & Theme(s2,x4) & n_playing(x2) & of(x2,x3) & n_boy(x3) & a_young(s1) & Theme(s1,x2))