In a restaurant, a teenager drinks directly out of the metal milkshake serving cup.
The old man is throwing a frisbee.
A teenager who drinks a milkshake can not also an old man throwing a frisbee.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6 x7 x8.(n_milkshake(x5) & of(x5,x6) & n_metal(x6) & r_.(s1) & in(s1,x1) & rel(x1,x2) & r_directly(s2) & of(s2,x5) & Theme(e1,x8) & Actor(e1,x7) & v_serve(e1) & n_cup(x8) & (x5 = x7) & Theme(s2,x4) & a_out(s2) & (x2 = x4) & n_drink(x2) & of(x2,x3) & n_teenager(x3) & n_restaurant(x1) & a_topic(s1))
exists e1 s1 x1 x2.(n_man(x1) & a_old(s1) & Theme(s1,x1) & Theme(e1,x2) & Actor(e1,x1) & v_throw(e1) & n_frisbee(x2))