A man smokes a cigarette through a dusk mask while sitting in a chair.
the man is sitting and smoking
Smoking means the same as smokes a cigarette.
exists e1 e2 x1 x2 x3 x4 x5.(while(e1,e2) & in(e2,x5) & n_chair(x5) & Actor(e2,x1) & v_sit(e2) & through(e1,x3) & n_mask(x3) & of(x3,x4) & n_dusk(x4) & Theme(e1,x2) & Actor(e1,x1) & v_smoke(e1) & n_cigarette(x2) & n_man(x1))
exists e1 s1 x1 x2 x3.(n_man(x1) & a_topic(s1) & subset_of(x3,s1) & n_smoking(x3) & subset_of(x1,s1) & Actor(e1,x2) & v_sit(e1) & (x1 = x2))