A group of people are picking vegetables outside.
The people are inside a concert hall.
People who are outside cannot be inside.
exists e1 s1 x1 x2 x3.(a_outside(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x1) & v_pick(e1) & n_vegetable(x3) & of(x1,x2) & n_people(x2) & n_group(x1))
exists p1 x1.(n_people(x1) & exists x2 x3.(inside(x1,x2) & n_hall(x2) & of(x2,x3) & n_concert(x3)))