Man and woman fishing in the ocean.
Two people are swimming
The couple cannot be swimming and fishing at the same time
exists s1 x1 x2 x3 x4.(n_ocean(x4) & a_topic(s1) & subset_of(x2,s1) & in(x2,x4) & n_fishing(x2) & of(x2,x3) & n_woman(x3) & subset_of(x1,s1) & n_man(x1))
exists e1 x1.(Actor(e1,x1) & v_swim(e1) & n_people(x1) & card_eq_2(x1))