Discussing the rainy weather.
People under their umbrellas.
The people dicussing the rainy weather could be in a laboratory instead of under the umbrellas.
exists e1 x1 x2 x3.(n_weather(x2) & of(x2,x3) & n_rainy(x3) & Theme(e1,x2) & Actor(e1,x1) & v_discuss(e1) & n_thing(x1))
exists x1 x2.(a_topic(x1) & under(x1,x2) & n_umbrella(x2) & of(x2,x1) & n_thing(x1) & n_people(x1))