A group of people are on the beach in cold weather and are jumping simultaneously.
A person sitting on a frozen lake ice fishing.
The person would not be jumping if they were ice fishing. One can only be on the beach or on the lake not on both at the same time.
exists e1 p1 s1 x1 x2 x3 x4 x5.(n_beach(x5) & a_simultaneously(s1) & Manner(e1,s1) & Actor(e1,x3) & v_jump(e1) & of(x3,x4) & n_people(x4) & n_group(x3) & exists s2 x6.(on(x1,x5) & in(x5,x6) & n_weather(x6) & a_cold(s2) & Theme(s2,x6)) & of(x1,x2) & n_people(x2) & n_group(x1))
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & on(e1,x3) & n_fishing(x3) & of(x3,x5) & n_ice(x5) & of(x3,x4) & n_lake(x4) & a_frozen(s1) & Theme(s1,x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_person(x1))