A man prepares food at a picnic while two others sit and watch.
There is a picnic basket.
the man preparing food at picnic does not imply there is a picnic basket.
exists e1 e2 x1 x2 x3 x4 x5 x6 x7.(while(e1,x4) & subset_of(x7,x4) & n_watch(x7) & subset_of(x5,x4) & Actor(e2,x6) & v_sit(e2) & (x5 = x6) & -(x5 = x1) & n_person(x1) & n_person(x5) & card_eq_2(x5) & at(e1,x3) & n_picnic(x3) & Theme(e1,x2) & Actor(e1,x1) & v_prepare(e1) & n_food(x2) & n_man(x1))
exists p1 x1 x2 x3.((x1 = x2) & n_basket(x2) & of(x2,x3) & n_picnic(x3))