These people are walking and working outside in a field.
The people are working inside the cafeteria.
People cannot be working inside and outside at same time.
exists e1 e2 s1 x1 x2.(n_people(x1) & in(e2,x2) & n_field(x2) & a_outside(s1) & Manner(e2,s1) & Actor(e2,x1) & v_work(e2) & Actor(e1,x1) & v_walk(e1))
exists e1 x1 x2.(n_cafeteria(x2) & n_people(x1) & inside(e1,x2) & Actor(e1,x1) & v_work(e1))