premise: An elderly man is posing in front of some rock formations.
hypothesis: A young girl posing for a picture.
explanation_1: An elderly man and a young girl are two different genders and age groups. Either the individual is old or young, male or female.
explanation_2: An elderly man cannot be a young girl.
explanation_3: There is no mention of the young girl, only and elderly man.
premise_logic: exists e1 s1 x1 x2 x3 x4.(in(e1,x2) & of(x2,x3) & n_formation(x3) & of(x3,x4) & n_rock(x4) & n_front(x2) & Actor(e1,x1) & v_pose(e1) & n_man(x1) & a_elderly(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 s1 x1 x2 x3.(a_topic(x1) & for(e1,x3) & n_picture(x3) & Actor(e1,x2) & v_pose(e1) & (x1 = x2) & n_girl(x1) & a_young(s1) & Theme(s1,x1))