premise: A woman teaching a ballet class composed of small children holding colourful scarves.
hypothesis: A woman is teaching a ballet class composed of middle aged men holding white scarves.
explanation_1: Small children cannot also be middle aged men.  White scarves cannot also be colorful.
explanation_2: The same woman cannot teach both ballet class because one had small children with colorful scarves and the other has middle aged men with white scarves.
explanation_3: Children are not men.
premise_logic: exists e2 e1 e3 s1 s2 x1 x2 x3 x4 x5 x6 x7 x8.(a_topic(x1) & Theme(e3,x3) & Actor(e3,x2) & v_teach(e3) & of(e1,x6) & Theme(e2,x8) & Actor(e2,x7) & v_hold(e2) & n_scarf(x8) & a_colourful(s2) & Theme(s2,x8) & (x6 = x7) & n_child(x6) & a_small(s1) & Theme(s1,x6) & Theme(e1,x5) & v_compose(e1) & (x3 = x5) & n_class(x3) & of(x3,x4) & n_ballet(x4) & (x1 = x2) & n_woman(x1))
hypothesis_logic: exists e2 e1 e4 e3 s1 s2 x1 x2 x3 x4 x5 x6 x7.(Theme(e4,x2) & Actor(e4,x1) & v_teach(e4) & of(e1,x5) & Theme(e3,x7) & Actor(e3,x6) & v_hold(e3) & n_scarf(x7) & a_white(s2) & Theme(s2,x7) & (x5 = x6) & n_man(x5) & Theme(e2,x5) & v_age(e2) & a_middle(s1) & Theme(s1,x5) & Theme(e1,x4) & v_compose(e1) & (x2 = x4) & n_class(x2) & of(x2,x3) & n_ballet(x3) & n_woman(x1))