A man smokes a cigar on a bench.
A woman smokes a cigar on a bench.
The man cannot be a woman.
exists e1 x1 x2 x3.(on(e1,x3) & n_bench(x3) & Theme(e1,x2) & Actor(e1,x1) & v_smoke(e1) & n_cigar(x2) & n_man(x1))
exists e1 x1 x2 x3.(on(e1,x3) & n_bench(x3) & Theme(e1,x2) & Actor(e1,x1) & v_smoke(e1) & n_cigar(x2) & n_woman(x1))