The man sitting down is reading a magazine.
The man sitting down is reading a magazine while he is in the waiting room for the doctor
Just because the man is sitting down reading a magazine does't mean that he is in a waiting room for the doctor's office.
exists e1 e2 s1 x1 x2 x3.(n_man(x1) & Theme(e2,x3) & Actor(e2,x1) & v_read(e2) & n_magazine(x3) & a_down(s1) & Manner(e1,s1) & Actor(e1,x2) & v_sit(e1) & (x1 = x2))
exists e3 e1 e2 p1 s1 x1 x2 x3 x4 x5.(n_doctor(x5) & n_room(x4) & Actor(e3,x4) & v_wait(e3) & n_male(x1) & n_man(x1) & exists p2.(in(x1,x4) & for(x4,x5)) & while(e2,p1) & Theme(e2,x3) & Actor(e2,x1) & v_read(e2) & n_magazine(x3) & a_down(s1) & Manner(e1,s1) & Actor(e1,x2) & v_sit(e1) & (x1 = x2))