premise: A lady in a red sweatshirt opening a present.
hypothesis: The lady is wearing a blue shirt.
explanation_1: The lady is wearing a red sweatshirt, therefore her shirt isn't blue.
explanation_2: In sentence one the shirt is red, but in two it is blue.
explanation_3: A lady in red is different from a lady in blue.
premise_logic: exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_open(e1) & n_present(x4) & (x2 = x3) & n_sweatshirt(x2) & a_red(s1) & Theme(s1,x2) & n_lady(x1))
hypothesis_logic: exists e1 s1 x1 x2.(n_lady(x1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_shirt(x2) & a_blue(s1) & Theme(s1,x2))
premise_sim: exists e1 s1 x1 x2 x3 x4.(v_open(e1) & n_sweatshirt(x2) & n_present(x4) & n_lady(x1) & in(x1,x2) & a_topic(x1) & a_red(s1) & Theme(s1,x2) & Theme(e1,x4) & Actor(e1,x3) & (x2 = x3))
hypothesis_sim: exists e1 s1 x1 x2.(v_wear(e1) & n_shirt(x2) & n_lady(x1) & a_blue(s1) & Theme(s1,x2) & Theme(e1,x2) & Actor(e1,x1))