premise: Man in a blue shirt practicing karate.
hypothesis: There is a man in a pink shirt.
explanation_1: The man is in a blue shirt, which means that he cannot be in a pink one.
explanation_2: man in blue or pink shirt
explanation_3: The man can be wearing a blue or a pink shirt.
premise_logic: exists s1 x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & n_karate(x2) & of(x2,x4) & n_practicing(x4) & of(x2,x3) & n_shirt(x3) & a_blue(s1) & Theme(s1,x2) & n_man(x1))
hypothesis_logic: exists p1 x1 s1 x2 x3.((x1 = x2) & in(x2,x3) & n_shirt(x3) & a_pink(s1) & Theme(s1,x3) & n_man(x2))