A group of children on a sidewalk by two clear pitchers.
A group of pre-adult humans on sidewalk.
Children are pre-adult humans.
exists s1 x1 x2 x3 x4.(a_topic(x1) & of(x1,x2) & on(x2,x3) & by(x3,x4) & n_pitcher(x4) & a_clear(s1) & Theme(s1,x4) & card_eq_2(x4) & n_sidewalk(x3) & n_child(x2) & n_group(x1))
exists s1 x1 x2 x3.(a_topic(x1) & of(x1,x2) & on(x2,x3) & n_sidewalk(x3) & n_human(x2) & a_pre-adult(s1) & Theme(s1,x2) & n_group(x1))