A dentist patient is having his teeth looked at
The dentist is pulling out the patients teeth.
The dentist pulling teeth cannot be a patient having his teeth looked at simultaneously.
exists e2 e1 x1 x2 x3 x4 x5.(at(e2,x5) & n_thing(x5) & Actor(e2,x1) & v_look(e2) & Theme(e1,x4) & Actor(e1,x3) & v_have(e1) & n_tooth(x4) & of(x4,x1) & n_male(x1) & (x1 = x3) & n_patient(x1) & of(x1,x2) & n_dentist(x2))
exists e1 s1 x1 x2 x3.(n_patient(x2) & n_dentist(x1) & a_out(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_pull(e1) & Time(x2,x3) & n_tooth(x3))