Some cows cluster together.
The cows are talking about the last night's game.
Cows clustered together would not be talking. Cows do not talk.
exists e1 p1 x1.(exists s1.(Theme(s1,x1) & a_together(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_cluster(e1) & n_cow(x1))
exists e1 s1 x1 x2 x3.(n_game(x3) & of(x3,x2) & n_night(x2) & a_last(s1) & Theme(s1,x2) & n_cow(x1) & about(e1,x3) & Actor(e1,x1) & v_talk(e1))