Children and staff sit on the floor and paint in a recreation center.
The children and staff are outside.
A recreation center is a building and indoors and not outside, so the children and staff cannot be inside and outside at the same time.
exists e1 x1 x2 x3 x4 x5 x6 x7 x8.(n_paint(x6) & n_floor(x5) & subset_of(x6,x4) & subset_of(x5,x4) & in(e1,x7) & n_center(x7) & of(x7,x8) & n_recreation(x8) & on(e1,x4) & Actor(e1,x1) & v_sit(e1) & n_staff(x3) & n_child(x2) & subset_of(x3,x1) & subset_of(x2,x1))
exists s1 x1 x2 x3.(n_staff(x3) & n_child(x2) & subset_of(x3,x1) & subset_of(x2,x1) & Theme(s1,x1) & a_outside(s1))