The legs and lower bodies of people sitting and smoking.
The people are smoking.
People are sitting the bench in park and smoking.
exists e1 s1 x1 x2 x3 x4 x5 x6.(n_body(x1) & r_more(s1) & a_lower(s1) & Theme(s1,x1) & of(x1,x2) & n_leg(x2) & a_topic(x1) & of(x1,x3) & subset_of(x6,x3) & n_smoking(x6) & subset_of(x4,x3) & Actor(e1,x5) & v_sit(e1) & (x4 = x5) & n_people(x4))
exists e1 x1.(n_people(x1) & Actor(e1,x1) & v_smoke(e1))