Africans are gathering around huts talking.
People are leaving the huts.
If people are leaving the huts they cannot be gathering around them at the same time.
exists e2 e1 x1 x2 x3.(ne_nam_africans(x1) & around(e1,x2) & Actor(e2,x3) & v_talk(e2) & (x2 = x3) & n_hut(x2) & Actor(e1,x1) & v_gather(e1))
exists e1 x1 x2.(n_hut(x2) & Theme(e1,x2) & Actor(e1,x1) & v_leave(e1) & n_people(x1))