A group of adults and children walking near a field of neatly groomed grass.
Children play on a neatly trimmed lawn.
If there are adults around, then it can not be children alone playing.
exists e2 e1 x1 x2 x3 x4 x5 x6 x7.(a_topic(x1) & of(x1,x2) & near(e1,x6) & of(x6,x7) & n_grass(x7) & Theme(e2,x7) & v_groom(e2) & r_neatly(x7) & n_field(x6) & Actor(e1,x5) & v_walk(e1) & (x2 = x5) & subset_of(x4,x2) & n_child(x4) & subset_of(x3,x2) & n_adult(x3) & n_group(x1))
exists e2 e1 x1 x2.(on(e1,x2) & n_lawn(x2) & Theme(e2,x2) & v_trim(e2) & r_neatly(x2) & Actor(e1,x1) & v_play(e1) & n_child(x1))