A smiling person with a brightly colored Mohawk hairstyle.
A person smiling on their birthday.
Smiling person does not imply that it is their birthday.
exists e2 e1 x1 x2 x3.(a_topic(x1) & with(x1,x2) & n_hairstyle(x2) & (x2 = x3) & ne_tim_mohawk(x3) & Theme(e2,x2) & v_color(e2) & r_brightly(x2) & n_person(x1) & Actor(e1,x1) & v_smile(e1))
exists e1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_birthday(x3) & of(x3,x1) & n_thing(x1) & Actor(e1,x2) & v_smile(e1) & (x1 = x2) & n_person(x1))