Discussing the rainy weather.
A conversation about the weather over a cup of tea
There is no indication that there is a cup of tea. They could be in a laboratory.
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 x3 x4.(n_weather(x2) & a_topic(x1) & about(x1,x2) & over(x2,x3) & of(x3,x4) & n_tea(x4) & n_cup(x3) & n_conversation(x1))