premise: A man visiting a friend in the hospital.
hypothesis: A man sits on a hospital roof.
explanation_1: The man either sits or he is visiting a friend, but not both at the same time, and he is either in the hospital or he is on a hospital roof but not both simultaneously.
explanation_2: visiting a friend in the hospital wouldn't be on the roof
explanation_3: The man cannot be in the hospital and on the hospital simultaneously
premise_logic: exists e1 x1 x2 x3 x4.(n_hospital(x4) & a_topic(x1) & in(e1,x4) & Theme(e1,x3) & Actor(e1,x2) & v_visit(e1) & n_friend(x3) & (x1 = x2) & n_man(x1))
hypothesis_logic: exists e1 x1 x2 x3.(on(e1,x2) & n_roof(x2) & of(x2,x3) & n_hospital(x3) & Actor(e1,x1) & v_sit(e1) & n_man(x1))
premise_sim: exists e1 x1 x2 x3 x4.(v_visit(e1) & n_man(x1) & n_hospital(x4) & n_friend(x3) & in(e1,x4) & a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & (x1 = x2))
hypothesis_sim: exists e1 x1 x2 x3.(v_sit(e1) & on(e1,x2) & of(x2,x3) & n_roof(x2) & n_man(x1) & n_hospital(x3) & Actor(e1,x1))