A group of kids are sitting next to each other on a green cloth trading materials.
The children having picnic.
Not all children sitting on a green cloth trading materials are having a picnic.
exists e1 s1 x1 x2 x3 x4 x5.(on(e1,x3) & n_material(x3) & of(x3,x5) & n_trading(x5) & of(x3,x4) & n_cloth(x4) & a_green(s1) & Theme(s1,x3) & all x6.(n_other(x6) -> to(e1,x6)) & r_next(e1) & Actor(e1,x1) & v_sit(e1) & of(x1,x2) & n_kid(x2) & n_group(x1))
exists e1 x1 x2 x3.(n_child(x1) & a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_have(e1) & n_picnic(x3) & (x1 = x2))