This is beautiful evening with the river and the setting sun.
It is in the summer.
This is beautiful evening with the river and the setting sun does not necessary that It is in the summer.
exists p1 x1 x2 x3 x4.(n_setting(x4) & n_river(x3) & with(p1,x2) & subset_of(x4,x2) & Time(x4,x1) & n_sun(x1) & subset_of(x3,x2) & exists s1 x5.((x1 = x5) & n_evening(x5) & a_beautiful(s1) & Theme(s1,x5)) & n_thing(x1))
exists p1 x1 x2.(n_summer(x2) & n_thing(x1) & in(x1,x2))