premise: A lady in a red sweatshirt opening a present.
hypothesis: It is the lady's birthday.
explanation_1: Just because a lady is opening a present doesn't mean it is the lady's birthday.
explanation_2: Just because a lady in a red sweatshirt opening a present, doesn't mean it is the lady's birthday.
explanation_3: You can not infer  it's her birthday.
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 p1 x1 x2 x3.(n_birthday(x3) & of(x3,x2) & n_lady(x2) & n_thing(x1) & (x1 = x3))
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 x1 x2 x3.(of(x3,x2) & n_thing(x1) & n_lady(x2) & n_birthday(x3) & (x1 = x3))