A man working on a job site.
A woman knitting a blanket.
A man can not be a woman at the same time.
exists e1 x1 x2 x3 x4.(a_topic(x1) & on(e1,x3) & n_site(x3) & of(x3,x4) & n_job(x4) & Actor(e1,x2) & v_work(e1) & (x1 = x2) & n_man(x1))
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_knit(e1) & n_blanket(x3) & (x1 = x2) & n_woman(x1))