Old man smokes while preparing to pour oil into a fryer.
a man is smoking while pouring oil
If an old man smokes while preparing to pour oil into a fryer then a man is smoking while pouring oil
exists e2 e1 p1 s1 x1.(while(e1,e2) & Topic(e2,p1) & Actor(e2,x1) & v_prepare(e2) & exists e3 x2 x3.(into(e3,x3) & n_fryer(x3) & Theme(e3,x2) & Actor(e3,x1) & v_pour(e3) & n_oil(x2)) & Actor(e1,x1) & v_smoke(e1) & n_man(x1) & a_old(s1) & Theme(s1,x1))
exists e2 e1 x1 x2.(while(e1,e2) & Theme(e2,x2) & Actor(e2,x1) & v_pour(e2) & n_oil(x2) & Actor(e1,x1) & v_smoke(e1) & n_man(x1))