Four young boys are running down a sidewalk.
four girls walk with confidence
running and walking are different activities
exists e1 s1 s2 x1 x2.(a_down(s2) & Manner(e1,s2) & Theme(e1,x2) & Actor(e1,x1) & v_run(e1) & n_sidewalk(x2) & n_boy(x1) & a_young(s1) & Theme(s1,x1) & card_eq_4(x1))
exists e1 x1 x2 x3.(a_topic(x1) & with(e1,x3) & n_confidence(x3) & Theme(e1,x2) & v_walk(e1) & (x1 = x2) & n_girl(x1) & card_eq_4(x1))