Guys digging around a tree in the ground.
People digging furiously
We can't infer they were digging furiously.
exists e1 x1 x2 x3.(n_ground(x3) & ne_nam_guys(x1) & in(e1,x3) & around(e1,x2) & n_tree(x2) & Actor(e1,x1) & v_dig(e1))
exists e1 s1 x1 x2.(a_topic(x1) & a_furiously(s1) & Manner(e1,s1) & Actor(e1,x2) & v_dig(e1) & (x1 = x2) & n_people(x1))