Several people fishing on a cloudy day.
It is about to rain
Although it is a cloudy day, it is not necessarily about to rain.
exists s1 s2 x1 x2 x3.(a_topic(x1) & on(x1,x3) & n_day(x3) & a_cloudy(s2) & Theme(s2,x3) & Time(x1,x2) & n_fishing(x2) & n_people(x1) & a_several(s1) & Theme(s1,x1))
exists p1 s1 x1.(n_thing(x1) & Topic(s1,p1) & Actor(s1,x1) & a_about(s1) & exists e1.(Actor(e1,x1) & v_rain(e1)))