a man and a woman on a farm field behind 2 bulls.
the bulls were running
Sentence 1 says two people were in a field behind bulls, but it does not say what the bulls were doing or if they were running.
exists s1 x1 x2 x3 x4 x5.(a_topic(s1) & subset_of(x2,s1) & behind(x2,x5) & n_bull(x5) & n_date(x5) & a_date_day_02(x5) & a_date_day_02(x5) & on(x2,x3) & n_field(x3) & of(x3,x4) & n_farm(x4) & n_woman(x2) & subset_of(x1,s1) & n_man(x1))
exists e1 x1.(n_bull(x1) & Actor(e1,x1) & v_run(e1))