A group of young children in hats walking along a walkway accompanied by two adults.
A group of unaccompanied children run down a sidewalk.
They would not be unaccompanied if they are accompanied by adults.
exists e2 e1 s1 x1 x2 x3 x4 x5 x6 x7.(a_topic(x1) & along(e1,x5) & Actor(e2,x7) & n_adult(x7) & card_eq_2(x7) & Theme(e2,x6) & v_accompany(e2) & (x5 = x6) & n_walkway(x5) & Actor(e1,x4) & v_walk(e1) & (x1 = x4) & in(x1,x3) & n_hat(x3) & of(x1,x2) & n_child(x2) & a_young(s1) & Theme(s1,x2) & n_group(x1))
exists e1 s1 s2 x1 x2 x3.(a_down(s2) & Manner(e1,s2) & Theme(e1,x3) & Actor(e1,x1) & v_run(e1) & n_sidewalk(x3) & of(x1,x2) & n_child(x2) & a_unaccompanied(s1) & Theme(s1,x2) & n_group(x1))