A person with a yellow apron walking.
A perosn is sleeping.
A person would not be able to be sleeping while they are walking.
exists s1 x1 x2 x3.(a_topic(x1) & with(x1,x2) & n_walking(x2) & of(x2,x3) & n_apron(x3) & a_yellow(s1) & Theme(s1,x2) & n_person(x1))
exists e1 x1.(Actor(e1,x1) & v_sleep(e1) & n_perosn(x1))