a brown labradoodle retrieves a tennis ball in a lake
Cat sleeps in windowsill
cat  not the same as labradoodle
exists e1 s1 x1 x2 x3 x4.(in(e1,x4) & n_lake(x4) & Theme(e1,x2) & Actor(e1,x1) & v_retrieve(e1) & n_ball(x2) & of(x2,x3) & n_tennis(x3) & n_labradoodle(x1) & a_brown(s1) & Theme(s1,x1))
exists e1 x1 x2.(ne_nam_cat(x1) & in(e1,x2) & n_windowsill(x2) & Actor(e1,x1) & v_sleep(e1))