Three men wearing safety vests and doing yard work in a field.
Prisoners are doing work outdoors.
It cannot be inferred that the men are prisoners or that they are outdoors.
exists e2 e1 x1 x2 x3 x4 x5 x6 x7.(in(e2,x7) & n_field(x7) & Theme(e2,x5) & Actor(e2,x4) & v_do(e2) & n_work(x5) & of(x5,x6) & n_yard(x6) & n_man(x4) & card_eq_3(x4) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_vest(x2) & of(x2,x3) & n_safety(x3) & n_man(x1) & card_eq_3(x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & n_outdoors(x2) & of(x2,x3) & n_work(x3) & n_prisoner(x1))