a man sits near a large statue.
a woman sits near a large statue.
There can be either a man or a woman.
exists e1 s1 x1 x2.(near(e1,x2) & n_statue(x2) & a_large(s1) & Theme(s1,x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1))
exists e1 s1 x1 x2.(near(e1,x2) & n_statue(x2) & a_large(s1) & Theme(s1,x2) & Actor(e1,x1) & v_sit(e1) & n_woman(x1))