premise: A single file line of children walk in front of a building.
hypothesis: Children in the open.
explanation_1: The building could be fenced in, not out in the open.
explanation_2: Children walking in front of a building doesn't mean they are in the open.
explanation_3: Walking in front of a building does not imply that they are in the open.
premise_logic: exists e1 s1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & of(x1,x3) & in(e1,x5) & of(x5,x6) & n_building(x6) & n_front(x5) & Theme(e1,x4) & v_walk(e1) & (x3 = x4) & n_child(x3) & n_line(x1) & of(x1,x2) & n_file(x2) & a_single(s1) & Theme(s1,x1))
hypothesis_logic: exists x1 x2.(n_open(x2) & a_topic(x1) & in(x1,x2) & n_child(x1))