premise: A group of children playing and having a good time.
hypothesis: The children are reading books.
explanation_1: The children can't be playing while reading.
explanation_2: Children playing and having a good time do not have to be reading books.
explanation_3: The children cannot be playing and reading books at the same time.
premise_logic: exists e1 e2 s1 s2 x1 x2 x3 x4 x5 x6.(a_topic(x1) & Theme(e2,x6) & Actor(e2,x5) & v_have(e2) & n_time(x6) & a_good(s2) & Theme(s2,x6) & (x1 = x5) & Theme(e1,x4) & Actor(e1,x3) & v_play(e1) & n_time(x4) & a_good(s1) & Theme(s1,x4) & (x1 = x3) & of(x1,x2) & n_child(x2) & n_group(x1))
hypothesis_logic: exists e1 x1 x2.(n_child(x1) & Theme(e1,x2) & Actor(e1,x1) & v_read(e1) & n_book(x2))