premise: Several people are in a group where a man in a blue shirt is smiling.
hypothesis: The man is having a pleasant talk with his friends.
explanation_1: Just because there is a group does not mean that they are talking with a smiling man, nothing implies that the man is doing anything other than smiling, including have a pleasant talk with his friends.
premise_logic: exists p1 s1 x1.(exists p2 x2.(in(x1,x2) & exists e1 s2 x3 x4.(Actor(e1,x3) & v_smile(e1) & in(x3,x4) & n_shirt(x4) & a_blue(s2) & Theme(s2,x4) & n_man(x3)) & where(x2,p2) & n_group(x2)) & n_people(x1) & a_several(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 s1 x1 x2 x3.(n_friend(x3) & of(x3,x1) & n_male(x1) & n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & with(x2,x3) & n_talk(x2) & a_pleasant(s1) & Theme(s1,x2))
premise_sim: exists s1 x1.(n_people(x1) & exists p2 x2.(where(x2,p2) & n_group(x2) & in(x1,x2) & exists e1 s2 x3 x4.(v_smile(e1) & n_shirt(x4) & n_man(x3) & in(x3,x4) & a_blue(s2) & Theme(s2,x4) & Actor(e1,x3))) & a_several(s1) & Theme(s1,x1))
hypothesis_sim: exists e1 s1 x1 x2 x3.(with(x2,x3) & v_have(e1) & of(x3,x1) & n_talk(x2) & n_man(x1) & n_male(x1) & n_friend(x3) & a_pleasant(s1) & Theme(s1,x2) & Theme(e1,x2) & Actor(e1,x1))