A youth standing nest to a metal fence with a black shirt on and a cigarette in their mouth.
A person is smoking.
A youth is a person and they must be smoking if they have a cigarette in their mouth.
exists e1 s1 x1 x2 x3 x4 x5 x6 x7 x8 x9.(a_topic(x1) & to(x1,x3) & with(x3,x7) & in(x7,x9) & n_mouth(x9) & of(x9,x8) & n_thing(x8) & n_cigarette(x7) & with(x3,x5) & on(x5,x6) & n_mouth(x6) & of(x6,x1) & n_thing(x1) & n_shirt(x5) & a_black(s1) & Theme(s1,x5) & n_fence(x3) & of(x3,x4) & n_metal(x4) & n_nest(x1) & Actor(e1,x1) & v_stand(e1) & of(x1,x2) & n_youth(x2))
exists p1 x1.(exists x2.((x1 = x2) & n_smoking(x2)) & n_person(x1))