Africans huddle around looking down.
the africans gather around and look down at the diamond
Huddle doesn't mean gather and just because they are looking down, it doesn't infer that they are looking at a diamond.
exists e1 e2 s1 x1.(ne_nam_africans(x1) & around(e1,e2) & a_down(s1) & Manner(e2,s1) & Actor(e2,x1) & v_look(e2) & Actor(e1,x1) & v_huddle(e1))
exists e1 e2 p1 s1 x1 x2.(n_diamond(x2) & n_african(x1) & a_down(s1) & Manner(e2,s1) & at(e2,x2) & Actor(e2,x1) & v_look(e2) & exists s2.(Theme(s2,x1) & a_around(s2)) & Topic(e1,p1) & Actor(e1,x1) & v_gather(e1))