premise: A group of people dressed in formal wear pose for a picture.
hypothesis: People posing for a portrait.
explanation_1: A portrait is best taken when those being photographed look their best.
explanation_2: People are dressed in formal wear.
explanation_3: A picture and a portrait are terms that can be used interchangeably
premise_logic: exists e1 e2 s1 x1 x2 x3 x4 x5.(for(e2,x5) & n_picture(x5) & Actor(e2,x1) & v_pose(e2) & of(x1,x2) & in(e1,x4) & n_wear(x4) & a_formal(s1) & Theme(s1,x4) & Theme(e1,x3) & v_dress(e1) & (x2 = x3) & n_people(x2) & n_group(x1))
hypothesis_logic: exists e1 x1 x2 x3.(a_topic(x1) & for(e1,x3) & n_portrait(x3) & Actor(e1,x2) & v_pose(e1) & (x1 = x2) & n_people(x1))