Three people and a dog stand in front of a river on a cold day.
Three people and a dog are swimming in the river.
It is not possible to be both standing in front of a river while swimming in the river.  It is unlikely to swim in a river on a cold day.
exists s1 s2 x1 x2 x3 x4 x5 x6.(a_topic(s1) & subset_of(x2,s1) & in(x2,x4) & of(x4,x5) & on(x5,x6) & n_day(x6) & a_cold(s2) & Theme(s2,x6) & n_river(x5) & n_front(x4) & n_stand(x2) & of(x2,x3) & n_dog(x3) & subset_of(x1,s1) & n_people(x1) & card_eq_3(x1))
exists e1 x1 x2 x3 x4.(n_river(x4) & in(e1,x4) & Actor(e1,x1) & v_swim(e1) & subset_of(x3,x1) & n_dog(x3) & subset_of(x2,x1) & n_people(x2) & card_eq_3(x2))