Some cows cluster together.
The cows are hoarding together because it is cold
Not all cows are cold.
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 p1 p2 x1.(n_thing(x1) & n_cow(x1) & exists s2.(Theme(s2,x1) & a_cold(s2)) & because(e1,p2) & exists s1.(Theme(s1,x1) & a_together(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_hoard(e1))