A boy who looks bored is standing against a tree.
A girl who looks bored is standing against a tree.
A child must either be a boy or a girl but not both.
exists e2 e1 p1 x1 x2 x3.(against(e2,x3) & n_tree(x3) & Actor(e2,x1) & v_stand(e2) & exists s1.(Theme(s1,x2) & a_bore(s1)) & Topic(e1,p1) & Actor(e1,x2) & v_look(e1) & (x1 = x2) & n_boy(x1))
exists e2 e1 p1 x1 x2 x3.(against(e2,x3) & n_tree(x3) & Actor(e2,x1) & v_stand(e2) & exists s1.(Theme(s1,x2) & a_bore(s1)) & Topic(e1,p1) & Actor(e1,x2) & v_look(e1) & (x1 = x2) & n_girl(x1))