premise: A man visiting a friend in the hospital.
hypothesis: A man and a patient in a hospital room.
explanation_1: Visiting a friend  who is a patient usually happen in the hospital.
explanation_2: If the man is visiting his friend in the hospital this implies that his friend is a 'patient' and that they are in a hospital room.
explanation_3: Sentence 1 explains that the man is visiting a friend in the hospital while the second one explains that the friend the man was visiting is a patient in the hospital.
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 s1 x1 x2 x3 x4.(a_topic(s1) & subset_of(x2,s1) & in(x2,x3) & n_room(x3) & of(x3,x4) & n_hospital(x4) & n_patient(x2) & subset_of(x1,s1) & 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 s1 x1 x2 x3 x4.(subset_of(x2,s1) & subset_of(x1,s1) & of(x3,x4) & n_room(x3) & n_patient(x2) & n_man(x1) & n_hospital(x4) & in(x2,x3) & a_topic(s1))