Passerby admiring painting at an outdoor art fair.
People frolic inside an art gallery.
If they are at an outdoor art fair they would not be inside an art gallery
exists e1 s1 x1 x2 x3 x4.(ne_nam_passerby(x1) & at(e1,x3) & n_fair(x3) & of(x3,x4) & n_art(x4) & a_outdoor(s1) & Theme(s1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_admire(e1) & n_painting(x2))
exists s1 x1 x2 x3 x4.(a_topic(x1) & inside(x1,x3) & n_gallery(x3) & of(x3,x4) & n_art(x4) & Theme(s1,x2) & a_frolic(s1) & (x1 = x2) & n_people(x1))