premise: a young man wearing dark sunglasses smiling
hypothesis: A man wearing glasses in smiling at a concert.
explanation_1: Wearing dark sunglasses smiling doesn't imply being at a concert.
explanation_2: Just because a young man is wearing dark sunglasses and smiling does not mean he is at a concert.
explanation_3: Just because the man is smiling doesn't mean he is at a concert.
premise_logic: exists e1 e2 s1 s2 x1 x2 x3 x4.(a_topic(x1) & Theme(e2,x3) & Actor(e2,x2) & v_wear(e2) & Actor(e1,x4) & v_smile(e1) & (x3 = x4) & n_sunglass(x3) & a_dark(s2) & Theme(s2,x3) & (x1 = x2) & n_man(x1) & a_young(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 e2 x1 x2 x3 x4.(a_topic(x1) & in(e1,e2) & at(e2,x4) & n_concert(x4) & Actor(e2,x2) & v_smile(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_glass(x3) & (x1 = x2) & n_man(x1))